Sheet Metal Gauge Chart | Thickness Conversion Guide | Baowu Steel<\/title>\r\n <meta name=\"description\" content=\"Complete sheet metal gauge chart with thickness conversions: gauge to mm, gauge to inches. 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Convert gauge numbers to millimeters and inches for carbon steel, stainless steel, aluminum, galvanized steel, and more.<\/p>\r\n <\/section>\r\n\r\n \r\n <div class=\"breadcrumb\">\r\n <a href=\"https:\/\/baowu-steel.com\/\">Home<\/a> \u203a\r\n <a href=\"https:\/\/baowu-steel.com\/tools\/\">Tools<\/a> \u203a\r\n Sheet Metal Gauge Chart\r\n <\/div>\r\n\r\n \r\n <div class=\"content-wrapper\">\r\n <div class=\"three-col-grid\">\r\n\r\n \r\n <aside class=\"left-sidebar\">\r\n <div class=\"contact-card\">\r\n <h3>\ud83d\udcac Contact Us<\/h3>\r\n <p>Get factory-direct pricing. Fast reply guaranteed.<\/p>\r\n <a href=\"mailto:sales@baowu-steel.com\" class=\"cta-btn\">Get Free Quote<\/a>\r\n <div class=\"contact-info\">\r\n <a href=\"tel:+8618764178985\"><span>\ud83d\udcde<\/span> +86 187 6417 8985<\/a>\r\n <a href=\"mailto:sales@baowu-steel.com\"><span>\u2709<\/span> sales@baowu-steel.com<\/a>\r\n <a href=\"https:\/\/wa.me\/8618764178985\" target=\"_blank\" rel=\"noopener\"><span>\ud83d\udcac<\/span> WhatsApp<\/a>\r\n <\/div>\r\n <\/div>\r\n\r\n <div class=\"sidebar-card\">\r\n <h3>\ud83d\udd27 Steel Tools<\/h3>\r\n <nav class=\"tool-links\">\r\n \r\n <a href=\"https:\/\/baowu-steel.com\/tools\/pipe-weight-calculator\/\"><span class=\"icon\">\ud83d\udccf<\/span> Steel Pipe Weight Calculator<\/a>\r\n <a href=\"https:\/\/baowu-steel.com\/steel-plate-weight-calculator\/\"><span class=\"icon\">\ud83d\udcd0<\/span> Steel Plate Weight Calculator<\/a>\r\n <a href=\"https:\/\/baowu-steel.com\/steel-coil-weight-calculator\/\"><span class=\"icon\">\u2699\ufe0f<\/span> 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class=\"main-content\">\r\n\r\n \r\n <div class=\"converter-section\">\r\n <div class=\"converter-title\">Gauge Thickness Converter<\/div>\r\n <div class=\"converter-grid\">\r\n <div class=\"converter-field\">\r\n <label>Material Type<\/label>\r\n <select id=\"materialType\">\r\n <option value=\"steel\">Carbon Steel (Standard)<\/option>\r\n <option value=\"galvanized\">Galvanized Steel<\/option>\r\n <option value=\"stainless\">Stainless Steel<\/option>\r\n <option value=\"aluminum\">Aluminum<\/option>\r\n <\/select>\r\n <\/div>\r\n <div class=\"converter-field\">\r\n <label>Gauge Number<\/label>\r\n <input type=\"number\" id=\"gaugeInput\" placeholder=\"e.g. 16\" min=\"3\" max=\"30\">\r\n <\/div>\r\n <\/div>\r\n <button class=\"converter-btn\" onclick=\"convertGauge()\">Convert Thickness<\/button>\r\n <div class=\"converter-result\" id=\"converterResult\">\r\n <h4>Conversion Results:<\/h4>\r\n <div class=\"result-grid\">\r\n <div class=\"result-item\">\r\n <div class=\"result-label\">Thickness (mm)<\/div>\r\n <div class=\"result-value\" id=\"resultMM\">\u2014<\/div>\r\n <\/div>\r\n <div class=\"result-item\">\r\n <div class=\"result-label\">Thickness (inches)<\/div>\r\n <div class=\"result-value\" id=\"resultInch\">\u2014<\/div>\r\n <\/div>\r\n <div class=\"result-item\">\r\n <div class=\"result-label\">Weight (kg\/m\u00b2)<\/div>\r\n <div class=\"result-value\" id=\"resultWeight\">\u2014<\/div>\r\n <\/div>\r\n <div class=\"result-item\">\r\n <div class=\"result-label\">Common Use<\/div>\r\n <div class=\"result-value\" id=\"resultUse\" style=\"font-size: 12px;\">\u2014<\/div>\r\n <\/div>\r\n <\/div>\r\n <\/div>\r\n <\/div>\r\n\r\n \r\n <section class=\"card\">\r\n <h2>Standard Carbon Steel Gauge Chart (ASTM \/ USS)<\/h2>\r\n <p class=\"desc\">United States Standard (USS) sheet metal gauge for carbon steel, hot rolled and cold rolled steel sheets and coils.<\/p>\r\n <div class=\"table-container\">\r\n <table class=\"data-table\">\r\n <thead>\r\n <tr>\r\n <th>Gauge<\/th>\r\n <th>Thickness (inches)<\/th>\r\n <th>Thickness (mm)<\/th>\r\n <th>Weight (lb\/ft\u00b2)<\/th>\r\n <th>Weight (kg\/m\u00b2)<\/th>\r\n <th>Common Applications<\/th>\r\n <\/tr>\r\n <\/thead>\r\n <tbody>\r\n <tr><td class=\"gauge-highlight\">3<\/td><td>0.2391<\/td><td>6.073<\/td><td>9.76<\/td><td>47.68<\/td><td>Heavy structural applications<\/td><\/tr>\r\n <tr><td class=\"gauge-highlight\">4<\/td><td>0.2242<\/td><td>5.695<\/td><td>9.15<\/td><td>44.71<\/td><td>Industrial equipment, heavy panels<\/td><\/tr>\r\n <tr><td class=\"gauge-highlight\">5<\/td><td>0.2092<\/td><td>5.314<\/td><td>8.54<\/td><td>41.73<\/td><td>Structural supports, bases<\/td><\/tr>\r\n <tr><td class=\"gauge-highlight\">6<\/td><td>0.1943<\/td><td>4.935<\/td><td>7.93<\/td><td>38.76<\/td><td>Machine bases, heavy duty panels<\/td><\/tr>\r\n <tr><td class=\"gauge-highlight\">7<\/td><td>0.1793<\/td><td>4.554<\/td><td>7.32<\/td><td>35.78<\/td><td>Automotive frames, heavy fabrication<\/td><\/tr>\r\n <tr><td class=\"gauge-highlight\">8<\/td><td>0.1644<\/td><td>4.176<\/td><td>6.71<\/td><td>32.81<\/td><td>Truck bodies, containers<\/td><\/tr>\r\n <tr><td class=\"gauge-highlight\">10<\/td><td>0.1345<\/td><td>3.416<\/td><td>5.49<\/td><td>26.85<\/td><td>Floor plates, equipment covers<\/td><\/tr>\r\n <tr><td class=\"gauge-highlight\">11<\/td><td>0.1196<\/td><td>3.038<\/td><td>4.88<\/td><td>23.87<\/td><td>Industrial shelving, brackets<\/td><\/tr>\r\n <tr><td class=\"gauge-highlight\">12<\/td><td>0.1046<\/td><td>2.657<\/td><td>4.27<\/td><td>20.89<\/td><td>Automotive panels, appliances<\/td><\/tr>\r\n <tr><td class=\"gauge-highlight\">13<\/td><td>0.0897<\/td><td>2.278<\/td><td>3.66<\/td><td>17.91<\/td><td>Light structural, ductwork<\/td><\/tr>\r\n <tr><td class=\"gauge-highlight\">14<\/td><td>0.0747<\/td><td>1.897<\/td><td>3.05<\/td><td>14.93<\/td><td>Automotive body panels, general fabrication<\/td><\/tr>\r\n <tr><td class=\"gauge-highlight\">15<\/td><td>0.0673<\/td><td>1.709<\/td><td>2.74<\/td><td>13.41<\/td><td>Light panels, cabinet work<\/td><\/tr>\r\n <tr><td class=\"gauge-highlight\">16<\/td><td>0.0598<\/td><td>1.519<\/td><td>2.44<\/td><td>11.93<\/td><td>HVAC ductwork, general metalwork<\/td><\/tr>\r\n <tr><td class=\"gauge-highlight\">18<\/td><td>0.0478<\/td><td>1.214<\/td><td>1.95<\/td><td>9.54<\/td><td>Light ductwork, decorative panels<\/td><\/tr>\r\n <tr><td class=\"gauge-highlight\">20<\/td><td>0.0359<\/td><td>0.912<\/td><td>1.46<\/td><td>7.15<\/td><td>Electrical boxes, light enclosures<\/td><\/tr>\r\n <tr><td class=\"gauge-highlight\">22<\/td><td>0.0299<\/td><td>0.759<\/td><td>1.22<\/td><td>5.96<\/td><td>Roofing, siding, flashing<\/td><\/tr>\r\n <tr><td class=\"gauge-highlight\">24<\/td><td>0.0239<\/td><td>0.607<\/td><td>0.98<\/td><td>4.77<\/td><td>Ductwork, gutters, downspouts<\/td><\/tr>\r\n <tr><td class=\"gauge-highlight\">26<\/td><td>0.0179<\/td><td>0.455<\/td><td>0.73<\/td><td>3.58<\/td><td>Light roofing, decorative trim<\/td><\/tr>\r\n <tr><td class=\"gauge-highlight\">28<\/td><td>0.0149<\/td><td>0.378<\/td><td>0.61<\/td><td>2.97<\/td><td>Very light fabrication, trim<\/td><\/tr>\r\n <tr><td class=\"gauge-highlight\">30<\/td><td>0.0120<\/td><td>0.305<\/td><td>0.49<\/td><td>2.39<\/td><td>Lightweight trim, shims<\/td><\/tr>\r\n <\/tbody>\r\n <\/table>\r\n <\/div>\r\n <\/section>\r\n\r\n \r\n <section class=\"card\">\r\n <h2>Galvanized Steel Gauge Chart<\/h2>\r\n <p class=\"desc\">Gauge thickness for galvanized steel sheets (includes base steel + zinc coating). Weights are approximate and include standard G90 coating.<\/p>\r\n <div class=\"table-container\">\r\n <table class=\"data-table\">\r\n <thead>\r\n <tr>\r\n <th>Gauge<\/th>\r\n <th>Thickness (inches)<\/th>\r\n <th>Thickness (mm)<\/th>\r\n <th>Weight (lb\/ft\u00b2)<\/th>\r\n <th>Weight (kg\/m\u00b2)<\/th>\r\n <th>Coating Standard<\/th>\r\n <\/tr>\r\n <\/thead>\r\n <tbody>\r\n <tr><td class=\"gauge-highlight\">8<\/td><td>0.1681<\/td><td>4.270<\/td><td>7.03<\/td><td>34.37<\/td><td>G90<\/td><\/tr>\r\n <tr><td class=\"gauge-highlight\">10<\/td><td>0.1382<\/td><td>3.510<\/td><td>5.78<\/td><td>28.26<\/td><td>G90<\/td><\/tr>\r\n <tr><td class=\"gauge-highlight\">11<\/td><td>0.1233<\/td><td>3.132<\/td><td>5.16<\/td><td>25.22<\/td><td>G90<\/td><\/tr>\r\n <tr><td class=\"gauge-highlight\">12<\/td><td>0.1084<\/td><td>2.753<\/td><td>4.53<\/td><td>22.16<\/td><td>G90<\/td><\/tr>\r\n <tr><td class=\"gauge-highlight\">14<\/td><td>0.0785<\/td><td>1.994<\/td><td>3.28<\/td><td>16.04<\/td><td>G90<\/td><\/tr>\r\n <tr><td class=\"gauge-highlight\">16<\/td><td>0.0635<\/td><td>1.613<\/td><td>2.66<\/td><td>13.00<\/td><td>G90<\/td><\/tr>\r\n <tr><td class=\"gauge-highlight\">18<\/td><td>0.0516<\/td><td>1.311<\/td><td>2.16<\/td><td>10.56<\/td><td>G90<\/td><\/tr>\r\n <tr><td class=\"gauge-highlight\">20<\/td><td>0.0396<\/td><td>1.006<\/td><td>1.66<\/td><td>8.11<\/td><td>G90<\/td><\/tr>\r\n <tr><td class=\"gauge-highlight\">22<\/td><td>0.0336<\/td><td>0.853<\/td><td>1.41<\/td><td>6.88<\/td><td>G90<\/td><\/tr>\r\n <tr><td class=\"gauge-highlight\">24<\/td><td>0.0276<\/td><td>0.701<\/td><td>1.16<\/td><td>5.65<\/td><td>G90<\/td><\/tr>\r\n <tr><td class=\"gauge-highlight\">26<\/td><td>0.0217<\/td><td>0.551<\/td><td>0.91<\/td><td>4.43<\/td><td>G90<\/td><\/tr>\r\n <tr><td class=\"gauge-highlight\">28<\/td><td>0.0187<\/td><td>0.475<\/td><td>0.78<\/td><td>3.82<\/td><td>G90<\/td><\/tr>\r\n <tr><td class=\"gauge-highlight\">30<\/td><td>0.0157<\/td><td>0.399<\/td><td>0.66<\/td><td>3.21<\/td><td>G90<\/td><\/tr>\r\n <\/tbody>\r\n <\/table>\r\n <\/div>\r\n <\/section>\r\n\r\n \r\n <section class=\"card\">\r\n <h2>Stainless Steel Gauge Chart (ASTM A480)<\/h2>\r\n <p class=\"desc\">Gauge thicknesses for stainless steel sheets (304, 316, 430, etc.). Based on ASTM A480\/A480M standard.<\/p>\r\n <div class=\"table-container\">\r\n <table class=\"data-table\">\r\n <thead>\r\n <tr>\r\n <th>Gauge<\/th>\r\n <th>Thickness (inches)<\/th>\r\n <th>Thickness (mm)<\/th>\r\n <th>Weight 304 (lb\/ft\u00b2)<\/th>\r\n <th>Weight 304 (kg\/m\u00b2)<\/th>\r\n <th>Common Applications<\/th>\r\n <\/tr>\r\n <\/thead>\r\n <tbody>\r\n <tr><td class=\"gauge-highlight\">3<\/td><td>0.2391<\/td><td>6.073<\/td><td>10.00<\/td><td>48.88<\/td><td>Heavy industrial equipment<\/td><\/tr>\r\n <tr><td class=\"gauge-highlight\">4<\/td><td>0.2242<\/td><td>5.695<\/td><td>9.38<\/td><td>45.85<\/td><td>Food processing tanks<\/td><\/tr>\r\n <tr><td class=\"gauge-highlight\">5<\/td><td>0.2092<\/td><td>5.314<\/td><td>8.75<\/td><td>42.77<\/td><td>Pressure vessels, tanks<\/td><\/tr>\r\n <tr><td class=\"gauge-highlight\">6<\/td><td>0.1943<\/td><td>4.935<\/td><td>8.13<\/td><td>39.74<\/td><td>Chemical processing equipment<\/td><\/tr>\r\n <tr><td class=\"gauge-highlight\">7<\/td><td>0.1793<\/td><td>4.554<\/td><td>7.50<\/td><td>36.66<\/td><td>Industrial kitchens, breweries<\/td><\/tr>\r\n <tr><td class=\"gauge-highlight\">8<\/td><td>0.1644<\/td><td>4.176<\/td><td>6.88<\/td><td>33.62<\/td><td>Commercial kitchen equipment<\/td><\/tr>\r\n <tr><td class=\"gauge-highlight\">10<\/td><td>0.1345<\/td><td>3.416<\/td><td>5.63<\/td><td>27.51<\/td><td>Food service countertops<\/td><\/tr>\r\n <tr><td class=\"gauge-highlight\">11<\/td><td>0.1196<\/td><td>3.038<\/td><td>5.00<\/td><td>24.44<\/td><td>Sinks, backsplashes<\/td><\/tr>\r\n <tr><td class=\"gauge-highlight\">12<\/td><td>0.1046<\/td><td>2.657<\/td><td>4.38<\/td><td>21.40<\/td><td>Appliance panels, trim<\/td><\/tr>\r\n <tr><td class=\"gauge-highlight\">14<\/td><td>0.0747<\/td><td>1.897<\/td><td>3.13<\/td><td>15.29<\/td><td>Architectural panels, cladding<\/td><\/tr>\r\n <tr><td class=\"gauge-highlight\">16<\/td><td>0.0598<\/td><td>1.519<\/td><td>2.50<\/td><td>12.23<\/td><td>Countertops, decorative panels<\/td><\/tr>\r\n <tr><td class=\"gauge-highlight\">18<\/td><td>0.0478<\/td><td>1.214<\/td><td>2.00<\/td><td>9.78<\/td><td>Splashbacks, decorative trim<\/td><\/tr>\r\n <tr><td class=\"gauge-highlight\">20<\/td><td>0.0359<\/td><td>0.912<\/td><td>1.50<\/td><td>7.33<\/td><td>Light cladding, trim work<\/td><\/tr>\r\n <tr><td class=\"gauge-highlight\">22<\/td><td>0.0299<\/td><td>0.759<\/td><td>1.25<\/td><td>6.11<\/td><td>Decorative applications<\/td><\/tr>\r\n <tr><td class=\"gauge-highlight\">24<\/td><td>0.0239<\/td><td>0.607<\/td><td>1.00<\/td><td>4.89<\/td><td>Light decorative work<\/td><\/tr>\r\n <\/tbody>\r\n <\/table>\r\n <\/div>\r\n <\/section>\r\n\r\n \r\n <section class=\"card\">\r\n <h2>Aluminum Sheet Gauge Chart<\/h2>\r\n <p class=\"desc\">Gauge thicknesses for aluminum sheets (1100, 3003, 5052, 6061 alloys). Weights based on density 2.71 g\/cm\u00b3.<\/p>\r\n <div class=\"table-container\">\r\n <table class=\"data-table\">\r\n <thead>\r\n <tr>\r\n <th>Gauge<\/th>\r\n <th>Thickness (inches)<\/th>\r\n <th>Thickness (mm)<\/th>\r\n <th>Weight (lb\/ft\u00b2)<\/th>\r\n <th>Weight (kg\/m\u00b2)<\/th>\r\n <th>Common Alloys<\/th>\r\n <\/tr>\r\n <\/thead>\r\n <tbody>\r\n <tr><td class=\"gauge-highlight\">3<\/td><td>0.2391<\/td><td>6.073<\/td><td>3.46<\/td><td>16.93<\/td><td>5052, 6061<\/td><\/tr>\r\n <tr><td class=\"gauge-highlight\">4<\/td><td>0.2242<\/td><td>5.695<\/td><td>3.24<\/td><td>15.86<\/td><td>5052, 6061<\/td><\/tr>\r\n <tr><td class=\"gauge-highlight\">5<\/td><td>0.2092<\/td><td>5.314<\/td><td>3.03<\/td><td>14.81<\/td><td>3003, 5052<\/td><\/tr>\r\n <tr><td class=\"gauge-highlight\">6<\/td><td>0.1943<\/td><td>4.935<\/td><td>2.81<\/td><td>13.75<\/td><td>3003, 5052<\/td><\/tr>\r\n <tr><td class=\"gauge-highlight\">7<\/td><td>0.1793<\/td><td>4.554<\/td><td>2.59<\/td><td>12.69<\/td><td>3003, 5052<\/td><\/tr>\r\n <tr><td class=\"gauge-highlight\">8<\/td><td>0.1644<\/td><td>4.176<\/td><td>2.38<\/td><td>11.64<\/td><td>3003, 5052<\/td><\/tr>\r\n <tr><td class=\"gauge-highlight\">10<\/td><td>0.1345<\/td><td>3.416<\/td><td>1.95<\/td><td>9.52<\/td><td>1100, 3003<\/td><\/tr>\r\n <tr><td class=\"gauge-highlight\">11<\/td><td>0.1196<\/td><td>3.038<\/td><td>1.73<\/td><td>8.47<\/td><td>1100, 3003<\/td><\/tr>\r\n <tr><td class=\"gauge-highlight\">12<\/td><td>0.1046<\/td><td>2.657<\/td><td>1.51<\/td><td>7.40<\/td><td>1100, 3003<\/td><\/tr>\r\n <tr><td class=\"gauge-highlight\">14<\/td><td>0.0747<\/td><td>1.897<\/td><td>1.08<\/td><td>5.28<\/td><td>1100, 3003<\/td><\/tr>\r\n <tr><td class=\"gauge-highlight\">16<\/td><td>0.0598<\/td><td>1.519<\/td><td>0.86<\/td><td>4.23<\/td><td>1100, 3003<\/td><\/tr>\r\n <tr><td class=\"gauge-highlight\">18<\/td><td>0.0478<\/td><td>1.214<\/td><td>0.69<\/td><td>3.38<\/td><td>1100, 3003<\/td><\/tr>\r\n <tr><td class=\"gauge-highlight\">20<\/td><td>0.0359<\/td><td>0.912<\/td><td>0.52<\/td><td>2.54<\/td><td>1100<\/td><\/tr>\r\n <tr><td class=\"gauge-highlight\">22<\/td><td>0.0299<\/td><td>0.759<\/td><td>0.43<\/td><td>2.11<\/td><td>1100<\/td><\/tr>\r\n <tr><td class=\"gauge-highlight\">24<\/td><td>0.0239<\/td><td>0.607<\/td><td>0.35<\/td><td>1.69<\/td><td>1100<\/td><\/tr>\r\n <\/tbody>\r\n <\/table>\r\n <\/div>\r\n <\/section>\r\n\r\n \r\n <section class=\"card\">\r\n <h2>Metric Thickness Standards (ISO \/ EN \/ GB)<\/h2>\r\n <p class=\"desc\">Common metric sheet metal thicknesses used in Europe, Asia, and international markets. Not directly equivalent to gauge system.<\/p>\r\n <div class=\"table-container\">\r\n <table class=\"data-table\">\r\n <thead>\r\n <tr>\r\n <th>Thickness (mm)<\/th>\r\n <th>Thickness (inches)<\/th>\r\n <th>Weight (kg\/m\u00b2) - Steel<\/th>\r\n <th>Approximate Gauge<\/th>\r\n <th>Common Applications<\/th>\r\n <\/tr>\r\n <\/thead>\r\n <tbody>\r\n <tr><td class=\"gauge-highlight\">0.3<\/td><td>0.0118<\/td><td>2.36<\/td><td>~30<\/td><td>Light trim, shims<\/td><\/tr>\r\n <tr><td class=\"gauge-highlight\">0.4<\/td><td>0.0157<\/td><td>3.14<\/td><td>~28<\/td><td>Decorative panels<\/td><\/tr>\r\n <tr><td class=\"gauge-highlight\">0.5<\/td><td>0.0197<\/td><td>3.93<\/td><td>~26<\/td><td>Roofing, cladding<\/td><\/tr>\r\n <tr><td class=\"gauge-highlight\">0.6<\/td><td>0.0236<\/td><td>4.71<\/td><td>~24<\/td><td>Ductwork, gutters<\/td><\/tr>\r\n <tr><td class=\"gauge-highlight\">0.7<\/td><td>0.0276<\/td><td>5.50<\/td><td>~23<\/td><td>Light fabrication<\/td><\/tr>\r\n <tr><td class=\"gauge-highlight\">0.8<\/td><td>0.0315<\/td><td>6.28<\/td><td>~22<\/td><td>Automotive panels<\/td><\/tr>\r\n <tr><td class=\"gauge-highlight\">1.0<\/td><td>0.0394<\/td><td>7.85<\/td><td>~20<\/td><td>Electrical enclosures<\/td><\/tr>\r\n <tr><td class=\"gauge-highlight\">1.2<\/td><td>0.0472<\/td><td>9.42<\/td><td>~18<\/td><td>HVAC, light structural<\/td><\/tr>\r\n <tr><td class=\"gauge-highlight\">1.5<\/td><td>0.0591<\/td><td>11.78<\/td><td>~16<\/td><td>General fabrication<\/td><\/tr>\r\n <tr><td class=\"gauge-highlight\">2.0<\/td><td>0.0787<\/td><td>15.70<\/td><td>~14<\/td><td>Automotive, appliances<\/td><\/tr>\r\n <tr><td class=\"gauge-highlight\">2.5<\/td><td>0.0984<\/td><td>19.63<\/td><td>~12<\/td><td>Structural components<\/td><\/tr>\r\n <tr><td class=\"gauge-highlight\">3.0<\/td><td>0.1181<\/td><td>23.55<\/td><td>~11<\/td><td>Industrial equipment<\/td><\/tr>\r\n <tr><td class=\"gauge-highlight\">4.0<\/td><td>0.1575<\/td><td>31.40<\/td><td>~8<\/td><td>Heavy fabrication<\/td><\/tr>\r\n <tr><td class=\"gauge-highlight\">5.0<\/td><td>0.1969<\/td><td>39.25<\/td><td>~6<\/td><td>Structural supports<\/td><\/tr>\r\n <tr><td class=\"gauge-highlight\">6.0<\/td><td>0.2362<\/td><td>47.10<\/td><td>~3<\/td><td>Heavy duty structures<\/td><\/tr>\r\n <\/tbody>\r\n <\/table>\r\n <\/div>\r\n <\/section>\r\n\r\n \r\n <section class=\"card\">\r\n <h2>Understanding Gauge Systems<\/h2>\r\n <p class=\"desc\">Different gauge standards exist for various materials and regions. Understanding these differences is critical for accurate specification.<\/p>\r\n \r\n <h3>Common Gauge Standards<\/h3>\r\n <ul>\r\n <li><strong>USS (United States Standard):<\/strong> Most common in USA for carbon steel sheets, plates, and strips<\/li>\r\n <li><strong>ASTM A480:<\/strong> Specific to stainless steel sheets and plates<\/li>\r\n <li><strong>AWG (American Wire Gauge):<\/strong> Used for non-ferrous metals like aluminum, copper, brass<\/li>\r\n <li><strong>BWG (Birmingham Wire Gauge):<\/strong> Historical standard, still used for some tube\/pipe applications<\/li>\r\n <li><strong>SWG (Standard Wire Gauge):<\/strong> British standard, used in UK and Commonwealth countries<\/li>\r\n <li><strong>Metric Standards:<\/strong> Direct thickness specification in mm (ISO, EN, GB, JIS)<\/li>\r\n <\/ul>\r\n\r\n <h3>Key Differences<\/h3>\r\n <ul>\r\n <li><strong>Material Variation:<\/strong> Same gauge number = different thickness for steel vs. aluminum vs. stainless<\/li>\r\n <li><strong>Non-Linear Scale:<\/strong> Gauge numbers don't scale linearly; smaller gauge = thicker material<\/li>\r\n <li><strong>Regional Standards:<\/strong> American vs. British vs. Asian standards differ significantly<\/li>\r\n <li><strong>Coating Considerations:<\/strong> Galvanized gauges include base metal + coating thickness<\/li>\r\n <\/ul>\r\n\r\n <h3>Gauge vs. Thickness Formula<\/h3>\r\n <p>For standard carbon steel (USS):<\/p>\r\n <p><strong>Thickness (inches) \u2248 0.005 \u00d7 (31 - Gauge Number)<\/strong><\/p>\r\n <p>This is an approximation only. Always refer to official gauge charts for precise values.<\/p>\r\n\r\n <div class=\"warning-box\">\r\n <div class=\"warning-title\">Important Notice<\/div>\r\n Never assume gauge equivalence across materials or standards. Always specify both gauge number AND actual thickness (in mm or inches) on drawings and purchase orders to avoid costly errors. When in doubt, use metric thickness specifications for clarity.\r\n <\/div>\r\n <\/section>\r\n\r\n \r\n <section class=\"card\">\r\n <h2>Thickness Tolerances<\/h2>\r\n <p class=\"desc\">Manufacturing tolerances for sheet metal thicknesses per major standards.<\/p>\r\n \r\n <h3>ASTM A1008 (Cold Rolled Steel)<\/h3>\r\n <ul>\r\n <li>Thickness 0.015\" - 0.033\": \u00b10.002\"<\/li>\r\n <li>Thickness 0.034\" - 0.067\": \u00b10.003\"<\/li>\r\n <li>Thickness 0.068\" - 0.125\": \u00b10.005\"<\/li>\r\n <li>Thickness 0.126\" - 0.187\": \u00b10.007\"<\/li>\r\n <\/ul>\r\n\r\n <h3>ASTM A480 (Stainless Steel)<\/h3>\r\n <ul>\r\n <li>Thickness \u2264 0.1875\": \u00b10.005\"<\/li>\r\n <li>Thickness 0.1876\" - 0.250\": \u00b10.010\"<\/li>\r\n <li>Width \u2264 48\": tighter tolerance class available<\/li>\r\n <\/ul>\r\n\r\n <h3>EN 10051 (European Hot Rolled)<\/h3>\r\n <ul>\r\n <li>Thickness < 2.0 mm: \u00b10.15 mm<\/li>\r\n <li>Thickness 2.0 - 3.0 mm: \u00b10.20 mm<\/li>\r\n <li>Thickness 3.0 - 5.0 mm: \u00b10.30 mm<\/li>\r\n <li>Thickness > 5.0 mm: \u00b15% of nominal<\/li>\r\n <\/ul>\r\n <\/section>\r\n\r\n \r\n <section class=\"card\">\r\n <h2>How to Use This Chart<\/h2>\r\n <ol style=\"list-style: none; counter-reset: step; margin-left: 0; padding-left: 0;\">\r\n <li style=\"counter-increment: step; position: relative; padding: 14px 14px 14px 56px; background: #f8fafc; border-radius: 10px; margin-bottom: 10px; border: 1px solid #e8eef5;\"><span style=\"position: absolute; left: 14px; top: 50%; transform: translateY(-50%); width: 30px; height: 30px; background: linear-gradient(135deg, #0c3483, #4facfe); color: #fff; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: 800; font-size: 13px;\">1<\/span><strong>Identify your material type<\/strong> \u2014 Carbon steel, galvanized, stainless steel, or aluminum each have different gauge-to-thickness conversions<\/li>\r\n <li style=\"counter-increment: step; position: relative; padding: 14px 14px 14px 56px; background: #f8fafc; border-radius: 10px; margin-bottom: 10px; border: 1px solid #e8eef5;\"><span style=\"position: absolute; left: 14px; top: 50%; transform: translateY(-50%); width: 30px; height: 30px; background: linear-gradient(135deg, #0c3483, #4facfe); color: #fff; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: 800; font-size: 13px;\">2<\/span><strong>Find the gauge number<\/strong> \u2014 Locate your gauge number in the appropriate chart (lower gauge = thicker metal)<\/li>\r\n <li style=\"counter-increment: step; position: relative; padding: 14px 14px 14px 56px; background: #f8fafc; border-radius: 10px; margin-bottom: 10px; border: 1px solid #e8eef5;\"><span style=\"position: absolute; left: 14px; top: 50%; transform: translateY(-50%); width: 30px; height: 30px; background: linear-gradient(135deg, #0c3483, #4facfe); color: #fff; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: 800; font-size: 13px;\">3<\/span><strong>Read thickness and weight<\/strong> \u2014 Convert to mm or inches, and check weight per square meter for material calculations<\/li>\r\n <li style=\"counter-increment: step; position: relative; padding: 14px 14px 14px 56px; background: #f8fafc; border-radius: 10px; margin-bottom: 10px; border: 1px solid #e8eef5;\"><span style=\"position: absolute; left: 14px; top: 50%; transform: translateY(-50%); width: 30px; height: 30px; background: linear-gradient(135deg, #0c3483, #4facfe); color: #fff; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: 800; font-size: 13px;\">4<\/span><strong>Verify for your region<\/strong> \u2014 If working internationally, confirm which gauge standard applies (USS, SWG, metric, etc.)<\/li>\r\n <\/ol>\r\n <\/section>\r\n\r\n \r\n <section class=\"card\">\r\n <h2>Frequently Asked Questions<\/h2>\r\n \r\n <div class=\"faq open\">\r\n <div class=\"faq-question\" onclick=\"toggleFAQ(this)\">Why do different materials have different gauge thicknesses?<\/div>\r\n <div class=\"faq-answer\">The gauge system was developed separately for different materials based on historical manufacturing processes. Steel gauge is based on weight per unit area, while aluminum and stainless steel use different standards. This is why 16 gauge steel (1.5mm) is much thicker than 16 gauge stainless (1.5mm) or aluminum. Always verify the material-specific chart.<\/div>\r\n <\/div>\r\n <div class=\"faq\">\r\n <div class=\"faq-question\" onclick=\"toggleFAQ(this)\">Is 16 gauge or 18 gauge thicker?<\/div>\r\n <div class=\"faq-answer\">16 gauge is thicker. In the gauge system, smaller numbers = thicker material. So 16 gauge (~1.5mm) is thicker than 18 gauge (~1.2mm). This counter-intuitive system originated from the number of drawing operations needed to produce wire\/sheet\u2014fewer operations (lower gauge) meant thicker material.<\/div>\r\n <\/div>\r\n <div class=\"faq\">\r\n <div class=\"faq-question\" onclick=\"toggleFAQ(this)\">What's the most common gauge for automotive panels?<\/div>\r\n <div class=\"faq-answer\">Automotive body panels typically use 20-22 gauge (0.8-1.0mm) cold rolled steel for outer panels, and 18-20 gauge (1.0-1.2mm) for structural reinforcements. Modern vehicles increasingly use high-strength steel at thinner gauges (22-24) to reduce weight while maintaining strength.<\/div>\r\n <\/div>\r\n <div class=\"faq\">\r\n <div class=\"faq-question\" onclick=\"toggleFAQ(this)\">How do I convert gauge to metric thickness?<\/div>\r\n <div class=\"faq-answer\">Use the material-specific conversion chart above. For example, 16 gauge carbon steel = 1.519mm, 16 gauge stainless = 1.519mm, but 16 gauge aluminum uses the same gauge number but different actual thickness. There's no universal formula\u2014always use the chart for your specific material type.<\/div>\r\n <\/div>\r\n <div class=\"faq\">\r\n <div class=\"faq-question\" onclick=\"toggleFAQ(this)\">What gauge is best for roofing and siding?<\/div>\r\n <div class=\"faq-answer\">Residential roofing typically uses 26-29 gauge galvanized or Galvalume steel (0.4-0.5mm). Commercial roofing uses 22-24 gauge (0.6-0.8mm) for greater durability. Siding ranges from 26-29 gauge for residential to 24-26 gauge for commercial. Thicker gauges provide better dent resistance and longevity but cost more.<\/div>\r\n <\/div>\r\n <div class=\"faq\">\r\n <div class=\"faq-question\" onclick=\"toggleFAQ(this)\">Does galvanized coating add to the gauge thickness?<\/div>\r\n <div class=\"faq-answer\">Yes, galvanized gauge measurements include the base steel PLUS the zinc coating thickness. A G90 coating adds approximately 0.002\" (0.05mm) total thickness. When comparing galvanized to bare steel, the galvanized sheet will be slightly thicker at the same gauge number.<\/div>\r\n <\/div>\r\n <div class=\"faq\">\r\n <div class=\"faq-question\" onclick=\"toggleFAQ(this)\">Can I use American gauge numbers in Europe or Asia?<\/div>\r\n <div class=\"faq-answer\">Not reliably. Europe and Asia primarily use metric thickness specifications (mm) rather than gauge numbers. British SWG (Standard Wire Gauge) differs from American USS gauge. For international projects, always specify thickness in millimeters to avoid confusion and costly errors.<\/div>\r\n <\/div>\r\n <div class=\"faq\">\r\n <div class=\"faq-question\" onclick=\"toggleFAQ(this)\">What tolerance should I expect on gauge thickness?<\/div>\r\n <div class=\"faq-answer\">Tolerances vary by thickness and standard. For cold rolled steel under 2mm, expect \u00b10.05-0.10mm. Hot rolled and galvanized have wider tolerances (\u00b10.15-0.30mm). Precision-ground stock can achieve \u00b10.02mm but costs significantly more. Always check the applicable ASTM or EN standard for your specific material and thickness.<\/div>\r\n <\/div>\r\n <\/section>\r\n <\/main>\r\n\r\n \r\n <aside class=\"right-sidebar\">\r\n\r\n <div class=\"sidebar-card\">\r\n <h3>\ud83d\udcca Quick Conversions<\/h3>\r\n <ul class=\"quick-ref\">\r\n <li><span>16 ga Steel<\/span><span class=\"value\">1.52 mm<\/span><\/li>\r\n <li><span>18 ga Steel<\/span><span class=\"value\">1.21 mm<\/span><\/li>\r\n <li><span>20 ga Steel<\/span><span class=\"value\">0.91 mm<\/span><\/li>\r\n <li><span>22 ga Steel<\/span><span class=\"value\">0.76 mm<\/span><\/li>\r\n <li><span>24 ga Steel<\/span><span class=\"value\">0.61 mm<\/span><\/li>\r\n <li><span>1 inch<\/span><span class=\"value\">25.4 mm<\/span><\/li>\r\n <li><span>1 mm<\/span><span class=\"value\">0.0394 in<\/span><\/li>\r\n <\/ul>\r\n <\/div>\r\n\r\n <div class=\"sidebar-card\">\r\n <h3>\u2696\ufe0f Weight Reference<\/h3>\r\n <ul class=\"quick-ref\">\r\n <li><span>Steel density<\/span><span class=\"value\">7.85 g\/cm\u00b3<\/span><\/li>\r\n <li><span>Stainless 304<\/span><span class=\"value\">8.00 g\/cm\u00b3<\/span><\/li>\r\n <li><span>Aluminum<\/span><span class=\"value\">2.71 g\/cm\u00b3<\/span><\/li>\r\n <li><span>1 mm steel<\/span><span class=\"value\">7.85 kg\/m\u00b2<\/span><\/li>\r\n <li><span>1 lb\/ft\u00b2<\/span><span class=\"value\">4.88 kg\/m\u00b2<\/span><\/li>\r\n <\/ul>\r\n <\/div>\r\n\r\n <div class=\"sidebar-card\">\r\n <h3>\ud83d\udd27 Common Gauges<\/h3>\r\n <ul class=\"quick-ref\">\r\n <li><span>HVAC Duct<\/span><span class=\"value\">22-26 ga<\/span><\/li>\r\n <li><span>Auto Body<\/span><span class=\"value\">18-22 ga<\/span><\/li>\r\n <li><span>Appliances<\/span><span class=\"value\">16-20 ga<\/span><\/li>\r\n <li><span>Roofing<\/span><span class=\"value\">26-29 ga<\/span><\/li>\r\n <li><span>Electrical Box<\/span><span class=\"value\">16-20 ga<\/span><\/li>\r\n <li><span>SS Countertop<\/span><span class=\"value\">16-18 ga<\/span><\/li>\r\n <\/ul>\r\n <\/div>\r\n\r\n <div class=\"sidebar-card\">\r\n <h3>\ud83d\udcd0 Gauge Standards<\/h3>\r\n <ul class=\"quick-ref\">\r\n <li><span>USS<\/span><span class=\"value\">Carbon Steel<\/span><\/li>\r\n <li><span>ASTM A480<\/span><span class=\"value\">Stainless<\/span><\/li>\r\n <li><span>AWG<\/span><span class=\"value\">Aluminum\/Wire<\/span><\/li>\r\n <li><span>BWG<\/span><span class=\"value\">Tubing<\/span><\/li>\r\n <li><span>SWG<\/span><span class=\"value\">British Std<\/span><\/li>\r\n <li><span>Metric<\/span><span class=\"value\">ISO\/EN\/GB<\/span><\/li>\r\n <\/ul>\r\n <\/div>\r\n\r\n <div class=\"sidebar-card\">\r\n <h3>\ud83d\udca1 Specification Tips<\/h3>\r\n <div class=\"tip-box\">\r\n <strong>Best Practice<\/strong>\r\n Always specify BOTH gauge number AND actual thickness (mm or inches) on drawings and POs. Include material type (steel\/stainless\/aluminum) and standard (USS\/ASTM\/metric) to eliminate confusion.\r\n <\/div>\r\n <\/div>\r\n <\/aside>\r\n <\/div>\r\n <\/div>\r\n<\/div>\r\n\r\n<script>\r\n \/\/ FAQ toggle\r\n function toggleFAQ(el) {\r\n el.parentElement.classList.toggle('open');\r\n }\r\n\r\n \/\/ Gauge conversion data\r\n const gaugeData = {\r\n steel: {\r\n 16: {mm: 1.519, inch: 0.0598, weight: 11.93, use: 'HVAC ductwork, general metalwork'},\r\n 18: {mm: 1.214, inch: 0.0478, weight: 9.54, use: 'Light ductwork, decorative panels'},\r\n 20: {mm: 0.912, inch: 0.0359, weight: 7.15, use: 'Electrical boxes, light enclosures'},\r\n 22: {mm: 0.759, inch: 0.0299, weight: 5.96, use: 'Roofing, siding, flashing'},\r\n 24: {mm: 0.607, inch: 0.0239, weight: 4.77, use: 'Ductwork, gutters, downspouts'},\r\n 14: {mm: 1.897, inch: 0.0747, weight: 14.93, use: 'Automotive body panels'},\r\n 12: {mm: 2.657, inch: 0.1046, weight: 20.89, use: 'Automotive panels, appliances'},\r\n 10: {mm: 3.416, inch: 0.1345, weight: 26.85, use: 'Floor plates, equipment covers'}\r\n },\r\n galvanized: {\r\n 16: {mm: 1.613, inch: 0.0635, weight: 13.00, use: 'Roofing, siding'},\r\n 18: {mm: 1.311, inch: 0.0516, weight: 10.56, use: 'Ductwork, flashing'},\r\n 20: {mm: 1.006, inch: 0.0396, weight: 8.11, use: 'Light roofing, trim'},\r\n 22: {mm: 0.853, inch: 0.0336, weight: 6.88, use: 'Residential roofing'},\r\n 24: {mm: 0.701, inch: 0.0276, weight: 5.65, use: 'Gutters, downspouts'},\r\n 26: {mm: 0.551, inch: 0.0217, weight: 4.43, use: 'Light roofing panels'},\r\n 14: {mm: 1.994, inch: 0.0785, weight: 16.04, use: 'Commercial roofing'},\r\n 12: {mm: 2.753, inch: 0.1084, weight: 22.16, use: 'Heavy duty roofing'}\r\n },\r\n stainless: {\r\n 16: {mm: 1.519, inch: 0.0598, weight: 12.23, use: 'Countertops, decorative panels'},\r\n 18: {mm: 1.214, inch: 0.0478, weight: 9.78, use: 'Splashbacks, decorative trim'},\r\n 20: {mm: 0.912, inch: 0.0359, weight: 7.33, use: 'Light cladding, trim work'},\r\n 22: {mm: 0.759, inch: 0.0299, weight: 6.11, use: 'Decorative applications'},\r\n 24: {mm: 0.607, inch: 0.0239, weight: 4.89, use: 'Light decorative work'},\r\n 14: {mm: 1.897, inch: 0.0747, weight: 15.29, use: 'Architectural panels'},\r\n 12: {mm: 2.657, inch: 0.1046, weight: 21.40, use: 'Appliance panels'},\r\n 10: {mm: 3.416, inch: 0.1345, weight: 27.51, use: 'Food service countertops'}\r\n },\r\n aluminum: {\r\n 16: {mm: 1.519, inch: 0.0598, weight: 4.23, use: 'Panels, trim work'},\r\n 18: {mm: 1.214, inch: 0.0478, weight: 3.38, use: 'Lightweight panels'},\r\n 20: {mm: 0.912, inch: 0.0359, weight: 2.54, use: 'Decorative trim'},\r\n 22: {mm: 0.759, inch: 0.0299, weight: 2.11, use: 'Light applications'},\r\n 24: {mm: 0.607, inch: 0.0239, weight: 1.69, use: 'Very light trim'},\r\n 14: {mm: 1.897, inch: 0.0747, weight: 5.28, use: 'Structural panels'},\r\n 12: {mm: 2.657, inch: 0.1046, weight: 7.40, use: 'Industrial applications'},\r\n 10: {mm: 3.416, inch: 0.1345, weight: 9.52, use: 'Heavy duty panels'}\r\n }\r\n };\r\n\r\n \/\/ Converter function\r\n function convertGauge() {\r\n const material = document.getElementById('materialType').value;\r\n const gauge = parseInt(document.getElementById('gaugeInput').value);\r\n \r\n if (!gauge || gauge < 3 || gauge > 30) {\r\n alert('Please enter a valid gauge number (3-30)');\r\n return;\r\n }\r\n \r\n const data = gaugeData[material][gauge];\r\n \r\n if (!data) {\r\n alert('Gauge ' + gauge + ' data not available for this material. Common gauges: 10, 12, 14, 16, 18, 20, 22, 24, 26');\r\n return;\r\n }\r\n \r\n document.getElementById('resultMM').textContent = data.mm + ' mm';\r\n document.getElementById('resultInch').textContent = data.inch + ' in';\r\n document.getElementById('resultWeight').textContent = data.weight + ' kg\/m\u00b2';\r\n document.getElementById('resultUse').textContent = data.use;\r\n document.getElementById('converterResult').style.display = 'block';\r\n }\r\n\r\n \/\/ Allow Enter key to convert\r\n document.getElementById('gaugeInput').addEventListener('keypress', function(e) {\r\n if (e.key === 'Enter') {\r\n convertGauge();\r\n }\r\n });\r\n<\/script>\r\n<\/body>\r\n<\/html>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Sheet Metal Gauge Chart | Thickness Conversion Guide | Baowu Steel Sheet Metal Gauge Chart Complete thickness conversion guide for […]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"site-sidebar-layout":"no-sidebar","site-content-layout":"","ast-site-content-layout":"full-width-container","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"disabled","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"class_list":["post-1161","page","type-page","status-publish","hentry"],"acf":[],"_links":{"self":[{"href":"https:\/\/baowu-steel.com\/wp-json\/wp\/v2\/pages\/1161","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/baowu-steel.com\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/baowu-steel.com\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/baowu-steel.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/baowu-steel.com\/wp-json\/wp\/v2\/comments?post=1161"}],"version-history":[{"count":7,"href":"https:\/\/baowu-steel.com\/wp-json\/wp\/v2\/pages\/1161\/revisions"}],"predecessor-version":[{"id":1207,"href":"https:\/\/baowu-steel.com\/wp-json\/wp\/v2\/pages\/1161\/revisions\/1207"}],"wp:attachment":[{"href":"https:\/\/baowu-steel.com\/wp-json\/wp\/v2\/media?parent=1161"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}

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\n\t\t\t\t\t\r\n\r\n\r\n \r\n \r\n Sheet Metal Gauge Chart | Thickness Conversion Guide | Baowu Steel<\/title>\r\n <meta name=\"description\" content=\"Complete sheet metal gauge chart with thickness conversions: gauge to mm, gauge to inches. Covers carbon steel, stainless steel, aluminum, galvanized steel standards (ASTM, ISO, BS, JIS).\">\r\n <style>\r\n * { margin: 0; padding: 0; box-sizing: border-box; }\r\n body { font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; background: #f0f2f5; color: #333; line-height: 1.5; }\r\n .page-container { margin-top: 0; padding-top: 0; }\r\n .hero-section { background: linear-gradient(135deg, #0c3483 0%, #4facfe 100%); padding: 50px 20px 60px; text-align: center; color: #fff; position: relative; z-index: 1; }\r\n .hero-section h1 { font-size: 36px; font-weight: 800; margin-bottom: 12px; line-height: 1.2; }\r\n .hero-section p { font-size: 16px; opacity: .92; max-width: 720px; margin: 0 auto; }\r\n .breadcrumb { max-width: 1400px; margin: 0 auto; padding: 14px 20px; font-size: 12px; color: #999; background: #fff; }\r\n .breadcrumb a { color: #4facfe; text-decoration: none; }\r\n .breadcrumb a:hover { text-decoration: underline; }\r\n .content-wrapper { max-width: 1400px; margin: 0 auto; 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}\r\n .data-table th { padding: 11px 10px; text-align: left; font-weight: 700; font-size: 11px; white-space: nowrap; }\r\n .data-table td { padding: 9px 10px; border-bottom: 1px solid #eee; }\r\n .data-table tbody tr:nth-child(even) { background: #fafbfc; }\r\n .data-table tbody tr:hover { background: #eef5ff; }\r\n .data-table .gauge-highlight { font-weight: 700; color: #0c3483; font-size: 13px; }\r\n \r\n \/* Converter Tool *\/\r\n .converter-section { background: linear-gradient(135deg, #f8fafc 0%, #eef5ff 100%); border-radius: 12px; padding: 24px; margin-bottom: 20px; border: 2px solid #e2e8f0; }\r\n .converter-title { font-size: 18px; font-weight: 700; color: #0c3483; margin-bottom: 18px; display: flex; align-items: center; gap: 8px; }\r\n .converter-title::before { content: ''; display: inline-block; width: 4px; height: 20px; background: linear-gradient(135deg, #0c3483, #4facfe); border-radius: 2px; }\r\n .converter-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 16px; margin-bottom: 20px; }\r\n .converter-field { display: flex; flex-direction: column; gap: 6px; }\r\n .converter-field label { font-size: 12px; font-weight: 600; color: #555; }\r\n .converter-field input, .converter-field select { height: 42px; padding: 0 12px; border: 2px solid #e2e8f0; border-radius: 8px; font-size: 14px; transition: border-color .2s; }\r\n .converter-field input:focus, .converter-field select:focus { outline: none; border-color: #4facfe; }\r\n .converter-btn { height: 48px; background: linear-gradient(135deg, #0c3483 0%, #4facfe 100%); color: #fff; border: none; border-radius: 8px; font-size: 15px; font-weight: 700; cursor: pointer; transition: transform .2s, box-shadow .2s; }\r\n .converter-btn:hover { transform: translateY(-2px); box-shadow: 0 6px 20px rgba(79,172,254,.4); }\r\n .converter-result { background: #fff; border-radius: 10px; padding: 20px; margin-top: 20px; border-left: 4px solid #4facfe; display: none; }\r\n .converter-result h4 { font-size: 15px; color: #0c3483; margin-bottom: 12px; }\r\n .result-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 12px; }\r\n .result-item { background: #f8fafc; padding: 12px; border-radius: 8px; }\r\n .result-label { font-size: 11px; color: #888; margin-bottom: 4px; }\r\n .result-value { font-size: 18px; font-weight: 700; color: #0c3483; }\r\n \r\n \/* Warning box *\/\r\n .warning-box { background: #fffbeb; border-left: 4px solid #f59e0b; border-radius: 8px; padding: 14px 16px; font-size: 13px; color: #92400e; line-height: 1.6; margin: 16px 0; }\r\n .warning-box .warning-title { display: flex; align-items: center; gap: 8px; font-weight: 700; color: #78350f; margin-bottom: 6px; font-size: 13px; }\r\n .warning-box .warning-title::before { content: ''; display: inline-block; width: 18px; height: 18px; background: #f59e0b; border-radius: 50%; flex-shrink: 0; position: relative; }\r\n .warning-box .warning-title::after { content: '!'; position: absolute; color: #fff; font-weight: 900; font-size: 12px; margin-left: -13px; margin-top: 1px; }\r\n \r\n \/* FAQ *\/\r\n .faq { border: 1px solid #e2e8f0; border-radius: 10px; margin-bottom: 12px; overflow: hidden; }\r\n .faq-question { padding: 15px 48px 15px 18px; cursor: pointer; font-weight: 600; font-size: 14px; background: #f8fafc; position: relative; user-select: none; }\r\n .faq-question::after { content: '+'; position: absolute; right: 18px; top: 50%; transform: translateY(-50%); font-size: 22px; color: #4facfe; }\r\n .faq.open .faq-question::after { content: '\u2212'; }\r\n .faq-answer { max-height: 0; overflow: hidden; transition: max-height .4s ease; padding: 0 18px; background: #fff; font-size: 13px; }\r\n .faq.open .faq-answer { max-height: 500px; padding: 12px 18px 18px; }\r\n \r\n @media (max-width: 1100px) {\r\n .three-col-grid { grid-template-columns: 1fr; }\r\n .left-sidebar, .right-sidebar { position: static; max-height: none; overflow-y: visible; }\r\n }\r\n @media (max-width: 600px) {\r\n .card { padding: 22px 18px; }\r\n .converter-grid { grid-template-columns: 1fr; }\r\n }\r\n <\/style>\r\n<\/head>\r\n<body>\r\n\r\n<div class=\"page-container\">\r\n\r\n \r\n <section class=\"hero-section\">\r\n <h1>Sheet Metal Gauge Chart<\/h1>\r\n <p>Complete thickness conversion guide for sheet metal gauges. Convert gauge numbers to millimeters and inches for carbon steel, stainless steel, aluminum, galvanized steel, and more.<\/p>\r\n <\/section>\r\n\r\n \r\n <div class=\"breadcrumb\">\r\n <a href=\"https:\/\/baowu-steel.com\/\">Home<\/a> \u203a\r\n <a href=\"https:\/\/baowu-steel.com\/tools\/\">Tools<\/a> \u203a\r\n Sheet Metal Gauge Chart\r\n <\/div>\r\n\r\n \r\n <div class=\"content-wrapper\">\r\n <div class=\"three-col-grid\">\r\n\r\n \r\n <aside class=\"left-sidebar\">\r\n <div class=\"contact-card\">\r\n <h3>\ud83d\udcac Contact Us<\/h3>\r\n <p>Get factory-direct pricing. Fast reply guaranteed.<\/p>\r\n <a href=\"mailto:sales@baowu-steel.com\" class=\"cta-btn\">Get Free Quote<\/a>\r\n <div class=\"contact-info\">\r\n <a href=\"tel:+8618764178985\"><span>\ud83d\udcde<\/span> +86 187 6417 8985<\/a>\r\n <a href=\"mailto:sales@baowu-steel.com\"><span>\u2709<\/span> sales@baowu-steel.com<\/a>\r\n <a href=\"https:\/\/wa.me\/8618764178985\" target=\"_blank\" rel=\"noopener\"><span>\ud83d\udcac<\/span> WhatsApp<\/a>\r\n <\/div>\r\n <\/div>\r\n\r\n <div class=\"sidebar-card\">\r\n <h3>\ud83d\udd27 Steel Tools<\/h3>\r\n <nav class=\"tool-links\">\r\n \r\n <a href=\"https:\/\/baowu-steel.com\/tools\/pipe-weight-calculator\/\"><span class=\"icon\">\ud83d\udccf<\/span> Steel Pipe Weight Calculator<\/a>\r\n <a href=\"https:\/\/baowu-steel.com\/steel-plate-weight-calculator\/\"><span class=\"icon\">\ud83d\udcd0<\/span> Steel Plate Weight Calculator<\/a>\r\n <a href=\"https:\/\/baowu-steel.com\/steel-coil-weight-calculator\/\"><span class=\"icon\">\u2699\ufe0f<\/span> Steel Coil Weight Calculator<\/a>\r\n <a href=\"https:\/\/baowu-steel.com\/galvanized-steel-coating-thickness-chart\/\"><span class=\"icon\">\ud83d\udee1\ufe0f<\/span> Galvanized Steel Coating Thickness Chart<\/a>\r\n <a href=\"https:\/\/baowu-steel.com\/steel-grade-comparison-chart\/\"><span class=\"icon\">\ud83d\udd0d<\/span> Steel Grade Comparison Chart<\/a>\r\n <a href=\"https:\/\/baowu-steel.com\/h-beam-weight-chart\/\"><span class=\"icon\">\ud83c\udfd7\ufe0f<\/span> H Beam Weight Chart<\/a>\r\n <a href=\"https:\/\/baowu-steel.com\/steel-price-per-ton-today\/\"><span class=\"icon\">\ud83d\udcb0<\/span> Steel Price Per Ton Today<\/a>\r\n <a href=\"https:\/\/baowu-steel.com\/steel-pipe-sizes-chart\/\"><span class=\"icon\">\ud83d\udcca<\/span> Steel Pipe Sizes Chart<\/a>\r\n <a href=\"https:\/\/baowu-steel.com\/sheet-metal-gauge-chart\/\" class=\"current\"><span class=\"icon\">\ud83d\udccb<\/span> Sheet Metal Gauge Chart<\/a>\r\n <\/nav>\r\n <\/div>\r\n <\/aside>\r\n\r\n \r\n <main class=\"main-content\">\r\n\r\n \r\n <div class=\"converter-section\">\r\n <div class=\"converter-title\">Gauge Thickness Converter<\/div>\r\n <div class=\"converter-grid\">\r\n <div class=\"converter-field\">\r\n <label>Material Type<\/label>\r\n <select id=\"materialType\">\r\n <option value=\"steel\">Carbon Steel (Standard)<\/option>\r\n <option value=\"galvanized\">Galvanized Steel<\/option>\r\n <option value=\"stainless\">Stainless Steel<\/option>\r\n <option value=\"aluminum\">Aluminum<\/option>\r\n <\/select>\r\n <\/div>\r\n <div class=\"converter-field\">\r\n <label>Gauge Number<\/label>\r\n <input type=\"number\" id=\"gaugeInput\" placeholder=\"e.g. 16\" min=\"3\" max=\"30\">\r\n <\/div>\r\n <\/div>\r\n <button class=\"converter-btn\" onclick=\"convertGauge()\">Convert Thickness<\/button>\r\n <div class=\"converter-result\" id=\"converterResult\">\r\n <h4>Conversion Results:<\/h4>\r\n <div class=\"result-grid\">\r\n <div class=\"result-item\">\r\n <div class=\"result-label\">Thickness (mm)<\/div>\r\n <div class=\"result-value\" id=\"resultMM\">\u2014<\/div>\r\n <\/div>\r\n <div class=\"result-item\">\r\n <div class=\"result-label\">Thickness (inches)<\/div>\r\n <div class=\"result-value\" id=\"resultInch\">\u2014<\/div>\r\n <\/div>\r\n <div class=\"result-item\">\r\n <div class=\"result-label\">Weight (kg\/m\u00b2)<\/div>\r\n <div class=\"result-value\" id=\"resultWeight\">\u2014<\/div>\r\n <\/div>\r\n <div class=\"result-item\">\r\n <div class=\"result-label\">Common Use<\/div>\r\n <div class=\"result-value\" id=\"resultUse\" style=\"font-size: 12px;\">\u2014<\/div>\r\n <\/div>\r\n <\/div>\r\n <\/div>\r\n <\/div>\r\n\r\n \r\n <section class=\"card\">\r\n <h2>Standard Carbon Steel Gauge Chart (ASTM \/ USS)<\/h2>\r\n <p class=\"desc\">United States Standard (USS) sheet metal gauge for carbon steel, hot rolled and cold rolled steel sheets and coils.<\/p>\r\n <div class=\"table-container\">\r\n <table class=\"data-table\">\r\n <thead>\r\n <tr>\r\n <th>Gauge<\/th>\r\n <th>Thickness (inches)<\/th>\r\n <th>Thickness (mm)<\/th>\r\n <th>Weight (lb\/ft\u00b2)<\/th>\r\n <th>Weight (kg\/m\u00b2)<\/th>\r\n <th>Common Applications<\/th>\r\n <\/tr>\r\n <\/thead>\r\n <tbody>\r\n <tr><td class=\"gauge-highlight\">3<\/td><td>0.2391<\/td><td>6.073<\/td><td>9.76<\/td><td>47.68<\/td><td>Heavy structural applications<\/td><\/tr>\r\n <tr><td class=\"gauge-highlight\">4<\/td><td>0.2242<\/td><td>5.695<\/td><td>9.15<\/td><td>44.71<\/td><td>Industrial equipment, heavy panels<\/td><\/tr>\r\n <tr><td class=\"gauge-highlight\">5<\/td><td>0.2092<\/td><td>5.314<\/td><td>8.54<\/td><td>41.73<\/td><td>Structural supports, bases<\/td><\/tr>\r\n <tr><td class=\"gauge-highlight\">6<\/td><td>0.1943<\/td><td>4.935<\/td><td>7.93<\/td><td>38.76<\/td><td>Machine bases, heavy duty panels<\/td><\/tr>\r\n <tr><td class=\"gauge-highlight\">7<\/td><td>0.1793<\/td><td>4.554<\/td><td>7.32<\/td><td>35.78<\/td><td>Automotive frames, heavy fabrication<\/td><\/tr>\r\n <tr><td class=\"gauge-highlight\">8<\/td><td>0.1644<\/td><td>4.176<\/td><td>6.71<\/td><td>32.81<\/td><td>Truck bodies, containers<\/td><\/tr>\r\n <tr><td class=\"gauge-highlight\">10<\/td><td>0.1345<\/td><td>3.416<\/td><td>5.49<\/td><td>26.85<\/td><td>Floor plates, equipment covers<\/td><\/tr>\r\n <tr><td class=\"gauge-highlight\">11<\/td><td>0.1196<\/td><td>3.038<\/td><td>4.88<\/td><td>23.87<\/td><td>Industrial shelving, brackets<\/td><\/tr>\r\n <tr><td class=\"gauge-highlight\">12<\/td><td>0.1046<\/td><td>2.657<\/td><td>4.27<\/td><td>20.89<\/td><td>Automotive panels, appliances<\/td><\/tr>\r\n <tr><td class=\"gauge-highlight\">13<\/td><td>0.0897<\/td><td>2.278<\/td><td>3.66<\/td><td>17.91<\/td><td>Light structural, ductwork<\/td><\/tr>\r\n <tr><td class=\"gauge-highlight\">14<\/td><td>0.0747<\/td><td>1.897<\/td><td>3.05<\/td><td>14.93<\/td><td>Automotive body panels, general fabrication<\/td><\/tr>\r\n <tr><td class=\"gauge-highlight\">15<\/td><td>0.0673<\/td><td>1.709<\/td><td>2.74<\/td><td>13.41<\/td><td>Light panels, cabinet work<\/td><\/tr>\r\n <tr><td class=\"gauge-highlight\">16<\/td><td>0.0598<\/td><td>1.519<\/td><td>2.44<\/td><td>11.93<\/td><td>HVAC ductwork, general metalwork<\/td><\/tr>\r\n <tr><td class=\"gauge-highlight\">18<\/td><td>0.0478<\/td><td>1.214<\/td><td>1.95<\/td><td>9.54<\/td><td>Light ductwork, decorative panels<\/td><\/tr>\r\n <tr><td class=\"gauge-highlight\">20<\/td><td>0.0359<\/td><td>0.912<\/td><td>1.46<\/td><td>7.15<\/td><td>Electrical boxes, light enclosures<\/td><\/tr>\r\n <tr><td class=\"gauge-highlight\">22<\/td><td>0.0299<\/td><td>0.759<\/td><td>1.22<\/td><td>5.96<\/td><td>Roofing, siding, flashing<\/td><\/tr>\r\n <tr><td class=\"gauge-highlight\">24<\/td><td>0.0239<\/td><td>0.607<\/td><td>0.98<\/td><td>4.77<\/td><td>Ductwork, gutters, downspouts<\/td><\/tr>\r\n <tr><td class=\"gauge-highlight\">26<\/td><td>0.0179<\/td><td>0.455<\/td><td>0.73<\/td><td>3.58<\/td><td>Light roofing, decorative trim<\/td><\/tr>\r\n <tr><td class=\"gauge-highlight\">28<\/td><td>0.0149<\/td><td>0.378<\/td><td>0.61<\/td><td>2.97<\/td><td>Very light fabrication, trim<\/td><\/tr>\r\n <tr><td class=\"gauge-highlight\">30<\/td><td>0.0120<\/td><td>0.305<\/td><td>0.49<\/td><td>2.39<\/td><td>Lightweight trim, shims<\/td><\/tr>\r\n <\/tbody>\r\n <\/table>\r\n <\/div>\r\n <\/section>\r\n\r\n \r\n <section class=\"card\">\r\n <h2>Galvanized Steel Gauge Chart<\/h2>\r\n <p class=\"desc\">Gauge thickness for galvanized steel sheets (includes base steel + zinc coating). Weights are approximate and include standard G90 coating.<\/p>\r\n <div class=\"table-container\">\r\n <table class=\"data-table\">\r\n <thead>\r\n <tr>\r\n <th>Gauge<\/th>\r\n <th>Thickness (inches)<\/th>\r\n <th>Thickness (mm)<\/th>\r\n <th>Weight (lb\/ft\u00b2)<\/th>\r\n <th>Weight (kg\/m\u00b2)<\/th>\r\n <th>Coating Standard<\/th>\r\n <\/tr>\r\n <\/thead>\r\n <tbody>\r\n <tr><td class=\"gauge-highlight\">8<\/td><td>0.1681<\/td><td>4.270<\/td><td>7.03<\/td><td>34.37<\/td><td>G90<\/td><\/tr>\r\n <tr><td class=\"gauge-highlight\">10<\/td><td>0.1382<\/td><td>3.510<\/td><td>5.78<\/td><td>28.26<\/td><td>G90<\/td><\/tr>\r\n <tr><td class=\"gauge-highlight\">11<\/td><td>0.1233<\/td><td>3.132<\/td><td>5.16<\/td><td>25.22<\/td><td>G90<\/td><\/tr>\r\n <tr><td class=\"gauge-highlight\">12<\/td><td>0.1084<\/td><td>2.753<\/td><td>4.53<\/td><td>22.16<\/td><td>G90<\/td><\/tr>\r\n <tr><td class=\"gauge-highlight\">14<\/td><td>0.0785<\/td><td>1.994<\/td><td>3.28<\/td><td>16.04<\/td><td>G90<\/td><\/tr>\r\n <tr><td class=\"gauge-highlight\">16<\/td><td>0.0635<\/td><td>1.613<\/td><td>2.66<\/td><td>13.00<\/td><td>G90<\/td><\/tr>\r\n <tr><td class=\"gauge-highlight\">18<\/td><td>0.0516<\/td><td>1.311<\/td><td>2.16<\/td><td>10.56<\/td><td>G90<\/td><\/tr>\r\n <tr><td class=\"gauge-highlight\">20<\/td><td>0.0396<\/td><td>1.006<\/td><td>1.66<\/td><td>8.11<\/td><td>G90<\/td><\/tr>\r\n <tr><td class=\"gauge-highlight\">22<\/td><td>0.0336<\/td><td>0.853<\/td><td>1.41<\/td><td>6.88<\/td><td>G90<\/td><\/tr>\r\n <tr><td class=\"gauge-highlight\">24<\/td><td>0.0276<\/td><td>0.701<\/td><td>1.16<\/td><td>5.65<\/td><td>G90<\/td><\/tr>\r\n <tr><td class=\"gauge-highlight\">26<\/td><td>0.0217<\/td><td>0.551<\/td><td>0.91<\/td><td>4.43<\/td><td>G90<\/td><\/tr>\r\n <tr><td class=\"gauge-highlight\">28<\/td><td>0.0187<\/td><td>0.475<\/td><td>0.78<\/td><td>3.82<\/td><td>G90<\/td><\/tr>\r\n <tr><td class=\"gauge-highlight\">30<\/td><td>0.0157<\/td><td>0.399<\/td><td>0.66<\/td><td>3.21<\/td><td>G90<\/td><\/tr>\r\n <\/tbody>\r\n <\/table>\r\n <\/div>\r\n <\/section>\r\n\r\n \r\n <section class=\"card\">\r\n <h2>Stainless Steel Gauge Chart (ASTM A480)<\/h2>\r\n <p class=\"desc\">Gauge thicknesses for stainless steel sheets (304, 316, 430, etc.). Based on ASTM A480\/A480M standard.<\/p>\r\n <div class=\"table-container\">\r\n <table class=\"data-table\">\r\n <thead>\r\n <tr>\r\n <th>Gauge<\/th>\r\n <th>Thickness (inches)<\/th>\r\n <th>Thickness (mm)<\/th>\r\n <th>Weight 304 (lb\/ft\u00b2)<\/th>\r\n <th>Weight 304 (kg\/m\u00b2)<\/th>\r\n <th>Common Applications<\/th>\r\n <\/tr>\r\n <\/thead>\r\n <tbody>\r\n <tr><td class=\"gauge-highlight\">3<\/td><td>0.2391<\/td><td>6.073<\/td><td>10.00<\/td><td>48.88<\/td><td>Heavy industrial equipment<\/td><\/tr>\r\n <tr><td class=\"gauge-highlight\">4<\/td><td>0.2242<\/td><td>5.695<\/td><td>9.38<\/td><td>45.85<\/td><td>Food processing tanks<\/td><\/tr>\r\n <tr><td class=\"gauge-highlight\">5<\/td><td>0.2092<\/td><td>5.314<\/td><td>8.75<\/td><td>42.77<\/td><td>Pressure vessels, tanks<\/td><\/tr>\r\n <tr><td class=\"gauge-highlight\">6<\/td><td>0.1943<\/td><td>4.935<\/td><td>8.13<\/td><td>39.74<\/td><td>Chemical processing equipment<\/td><\/tr>\r\n <tr><td class=\"gauge-highlight\">7<\/td><td>0.1793<\/td><td>4.554<\/td><td>7.50<\/td><td>36.66<\/td><td>Industrial kitchens, breweries<\/td><\/tr>\r\n <tr><td class=\"gauge-highlight\">8<\/td><td>0.1644<\/td><td>4.176<\/td><td>6.88<\/td><td>33.62<\/td><td>Commercial kitchen equipment<\/td><\/tr>\r\n <tr><td class=\"gauge-highlight\">10<\/td><td>0.1345<\/td><td>3.416<\/td><td>5.63<\/td><td>27.51<\/td><td>Food service countertops<\/td><\/tr>\r\n <tr><td class=\"gauge-highlight\">11<\/td><td>0.1196<\/td><td>3.038<\/td><td>5.00<\/td><td>24.44<\/td><td>Sinks, backsplashes<\/td><\/tr>\r\n <tr><td class=\"gauge-highlight\">12<\/td><td>0.1046<\/td><td>2.657<\/td><td>4.38<\/td><td>21.40<\/td><td>Appliance panels, trim<\/td><\/tr>\r\n <tr><td class=\"gauge-highlight\">14<\/td><td>0.0747<\/td><td>1.897<\/td><td>3.13<\/td><td>15.29<\/td><td>Architectural panels, cladding<\/td><\/tr>\r\n <tr><td class=\"gauge-highlight\">16<\/td><td>0.0598<\/td><td>1.519<\/td><td>2.50<\/td><td>12.23<\/td><td>Countertops, decorative panels<\/td><\/tr>\r\n <tr><td class=\"gauge-highlight\">18<\/td><td>0.0478<\/td><td>1.214<\/td><td>2.00<\/td><td>9.78<\/td><td>Splashbacks, decorative trim<\/td><\/tr>\r\n <tr><td class=\"gauge-highlight\">20<\/td><td>0.0359<\/td><td>0.912<\/td><td>1.50<\/td><td>7.33<\/td><td>Light cladding, trim work<\/td><\/tr>\r\n <tr><td class=\"gauge-highlight\">22<\/td><td>0.0299<\/td><td>0.759<\/td><td>1.25<\/td><td>6.11<\/td><td>Decorative applications<\/td><\/tr>\r\n <tr><td class=\"gauge-highlight\">24<\/td><td>0.0239<\/td><td>0.607<\/td><td>1.00<\/td><td>4.89<\/td><td>Light decorative work<\/td><\/tr>\r\n <\/tbody>\r\n <\/table>\r\n <\/div>\r\n <\/section>\r\n\r\n \r\n <section class=\"card\">\r\n <h2>Aluminum Sheet Gauge Chart<\/h2>\r\n <p class=\"desc\">Gauge thicknesses for aluminum sheets (1100, 3003, 5052, 6061 alloys). Weights based on density 2.71 g\/cm\u00b3.<\/p>\r\n <div class=\"table-container\">\r\n <table class=\"data-table\">\r\n <thead>\r\n <tr>\r\n <th>Gauge<\/th>\r\n <th>Thickness (inches)<\/th>\r\n <th>Thickness (mm)<\/th>\r\n <th>Weight (lb\/ft\u00b2)<\/th>\r\n <th>Weight (kg\/m\u00b2)<\/th>\r\n <th>Common Alloys<\/th>\r\n <\/tr>\r\n <\/thead>\r\n <tbody>\r\n <tr><td class=\"gauge-highlight\">3<\/td><td>0.2391<\/td><td>6.073<\/td><td>3.46<\/td><td>16.93<\/td><td>5052, 6061<\/td><\/tr>\r\n <tr><td class=\"gauge-highlight\">4<\/td><td>0.2242<\/td><td>5.695<\/td><td>3.24<\/td><td>15.86<\/td><td>5052, 6061<\/td><\/tr>\r\n <tr><td class=\"gauge-highlight\">5<\/td><td>0.2092<\/td><td>5.314<\/td><td>3.03<\/td><td>14.81<\/td><td>3003, 5052<\/td><\/tr>\r\n <tr><td class=\"gauge-highlight\">6<\/td><td>0.1943<\/td><td>4.935<\/td><td>2.81<\/td><td>13.75<\/td><td>3003, 5052<\/td><\/tr>\r\n <tr><td class=\"gauge-highlight\">7<\/td><td>0.1793<\/td><td>4.554<\/td><td>2.59<\/td><td>12.69<\/td><td>3003, 5052<\/td><\/tr>\r\n <tr><td class=\"gauge-highlight\">8<\/td><td>0.1644<\/td><td>4.176<\/td><td>2.38<\/td><td>11.64<\/td><td>3003, 5052<\/td><\/tr>\r\n <tr><td class=\"gauge-highlight\">10<\/td><td>0.1345<\/td><td>3.416<\/td><td>1.95<\/td><td>9.52<\/td><td>1100, 3003<\/td><\/tr>\r\n <tr><td class=\"gauge-highlight\">11<\/td><td>0.1196<\/td><td>3.038<\/td><td>1.73<\/td><td>8.47<\/td><td>1100, 3003<\/td><\/tr>\r\n <tr><td class=\"gauge-highlight\">12<\/td><td>0.1046<\/td><td>2.657<\/td><td>1.51<\/td><td>7.40<\/td><td>1100, 3003<\/td><\/tr>\r\n <tr><td class=\"gauge-highlight\">14<\/td><td>0.0747<\/td><td>1.897<\/td><td>1.08<\/td><td>5.28<\/td><td>1100, 3003<\/td><\/tr>\r\n <tr><td class=\"gauge-highlight\">16<\/td><td>0.0598<\/td><td>1.519<\/td><td>0.86<\/td><td>4.23<\/td><td>1100, 3003<\/td><\/tr>\r\n <tr><td class=\"gauge-highlight\">18<\/td><td>0.0478<\/td><td>1.214<\/td><td>0.69<\/td><td>3.38<\/td><td>1100, 3003<\/td><\/tr>\r\n <tr><td class=\"gauge-highlight\">20<\/td><td>0.0359<\/td><td>0.912<\/td><td>0.52<\/td><td>2.54<\/td><td>1100<\/td><\/tr>\r\n <tr><td class=\"gauge-highlight\">22<\/td><td>0.0299<\/td><td>0.759<\/td><td>0.43<\/td><td>2.11<\/td><td>1100<\/td><\/tr>\r\n <tr><td class=\"gauge-highlight\">24<\/td><td>0.0239<\/td><td>0.607<\/td><td>0.35<\/td><td>1.69<\/td><td>1100<\/td><\/tr>\r\n <\/tbody>\r\n <\/table>\r\n <\/div>\r\n <\/section>\r\n\r\n \r\n <section class=\"card\">\r\n <h2>Metric Thickness Standards (ISO \/ EN \/ GB)<\/h2>\r\n <p class=\"desc\">Common metric sheet metal thicknesses used in Europe, Asia, and international markets. Not directly equivalent to gauge system.<\/p>\r\n <div class=\"table-container\">\r\n <table class=\"data-table\">\r\n <thead>\r\n <tr>\r\n <th>Thickness (mm)<\/th>\r\n <th>Thickness (inches)<\/th>\r\n <th>Weight (kg\/m\u00b2) - Steel<\/th>\r\n <th>Approximate Gauge<\/th>\r\n <th>Common Applications<\/th>\r\n <\/tr>\r\n <\/thead>\r\n <tbody>\r\n <tr><td class=\"gauge-highlight\">0.3<\/td><td>0.0118<\/td><td>2.36<\/td><td>~30<\/td><td>Light trim, shims<\/td><\/tr>\r\n <tr><td class=\"gauge-highlight\">0.4<\/td><td>0.0157<\/td><td>3.14<\/td><td>~28<\/td><td>Decorative panels<\/td><\/tr>\r\n <tr><td class=\"gauge-highlight\">0.5<\/td><td>0.0197<\/td><td>3.93<\/td><td>~26<\/td><td>Roofing, cladding<\/td><\/tr>\r\n <tr><td class=\"gauge-highlight\">0.6<\/td><td>0.0236<\/td><td>4.71<\/td><td>~24<\/td><td>Ductwork, gutters<\/td><\/tr>\r\n <tr><td class=\"gauge-highlight\">0.7<\/td><td>0.0276<\/td><td>5.50<\/td><td>~23<\/td><td>Light fabrication<\/td><\/tr>\r\n <tr><td class=\"gauge-highlight\">0.8<\/td><td>0.0315<\/td><td>6.28<\/td><td>~22<\/td><td>Automotive panels<\/td><\/tr>\r\n <tr><td class=\"gauge-highlight\">1.0<\/td><td>0.0394<\/td><td>7.85<\/td><td>~20<\/td><td>Electrical enclosures<\/td><\/tr>\r\n <tr><td class=\"gauge-highlight\">1.2<\/td><td>0.0472<\/td><td>9.42<\/td><td>~18<\/td><td>HVAC, light structural<\/td><\/tr>\r\n <tr><td class=\"gauge-highlight\">1.5<\/td><td>0.0591<\/td><td>11.78<\/td><td>~16<\/td><td>General fabrication<\/td><\/tr>\r\n <tr><td class=\"gauge-highlight\">2.0<\/td><td>0.0787<\/td><td>15.70<\/td><td>~14<\/td><td>Automotive, appliances<\/td><\/tr>\r\n <tr><td class=\"gauge-highlight\">2.5<\/td><td>0.0984<\/td><td>19.63<\/td><td>~12<\/td><td>Structural components<\/td><\/tr>\r\n <tr><td class=\"gauge-highlight\">3.0<\/td><td>0.1181<\/td><td>23.55<\/td><td>~11<\/td><td>Industrial equipment<\/td><\/tr>\r\n <tr><td class=\"gauge-highlight\">4.0<\/td><td>0.1575<\/td><td>31.40<\/td><td>~8<\/td><td>Heavy fabrication<\/td><\/tr>\r\n <tr><td class=\"gauge-highlight\">5.0<\/td><td>0.1969<\/td><td>39.25<\/td><td>~6<\/td><td>Structural supports<\/td><\/tr>\r\n <tr><td class=\"gauge-highlight\">6.0<\/td><td>0.2362<\/td><td>47.10<\/td><td>~3<\/td><td>Heavy duty structures<\/td><\/tr>\r\n <\/tbody>\r\n <\/table>\r\n <\/div>\r\n <\/section>\r\n\r\n \r\n <section class=\"card\">\r\n <h2>Understanding Gauge Systems<\/h2>\r\n <p class=\"desc\">Different gauge standards exist for various materials and regions. Understanding these differences is critical for accurate specification.<\/p>\r\n \r\n <h3>Common Gauge Standards<\/h3>\r\n <ul>\r\n <li><strong>USS (United States Standard):<\/strong> Most common in USA for carbon steel sheets, plates, and strips<\/li>\r\n <li><strong>ASTM A480:<\/strong> Specific to stainless steel sheets and plates<\/li>\r\n <li><strong>AWG (American Wire Gauge):<\/strong> Used for non-ferrous metals like aluminum, copper, brass<\/li>\r\n <li><strong>BWG (Birmingham Wire Gauge):<\/strong> Historical standard, still used for some tube\/pipe applications<\/li>\r\n <li><strong>SWG (Standard Wire Gauge):<\/strong> British standard, used in UK and Commonwealth countries<\/li>\r\n <li><strong>Metric Standards:<\/strong> Direct thickness specification in mm (ISO, EN, GB, JIS)<\/li>\r\n <\/ul>\r\n\r\n <h3>Key Differences<\/h3>\r\n <ul>\r\n <li><strong>Material Variation:<\/strong> Same gauge number = different thickness for steel vs. aluminum vs. stainless<\/li>\r\n <li><strong>Non-Linear Scale:<\/strong> Gauge numbers don't scale linearly; smaller gauge = thicker material<\/li>\r\n <li><strong>Regional Standards:<\/strong> American vs. British vs. Asian standards differ significantly<\/li>\r\n <li><strong>Coating Considerations:<\/strong> Galvanized gauges include base metal + coating thickness<\/li>\r\n <\/ul>\r\n\r\n <h3>Gauge vs. Thickness Formula<\/h3>\r\n <p>For standard carbon steel (USS):<\/p>\r\n <p><strong>Thickness (inches) \u2248 0.005 \u00d7 (31 - Gauge Number)<\/strong><\/p>\r\n <p>This is an approximation only. Always refer to official gauge charts for precise values.<\/p>\r\n\r\n <div class=\"warning-box\">\r\n <div class=\"warning-title\">Important Notice<\/div>\r\n Never assume gauge equivalence across materials or standards. Always specify both gauge number AND actual thickness (in mm or inches) on drawings and purchase orders to avoid costly errors. When in doubt, use metric thickness specifications for clarity.\r\n <\/div>\r\n <\/section>\r\n\r\n \r\n <section class=\"card\">\r\n <h2>Thickness Tolerances<\/h2>\r\n <p class=\"desc\">Manufacturing tolerances for sheet metal thicknesses per major standards.<\/p>\r\n \r\n <h3>ASTM A1008 (Cold Rolled Steel)<\/h3>\r\n <ul>\r\n <li>Thickness 0.015\" - 0.033\": \u00b10.002\"<\/li>\r\n <li>Thickness 0.034\" - 0.067\": \u00b10.003\"<\/li>\r\n <li>Thickness 0.068\" - 0.125\": \u00b10.005\"<\/li>\r\n <li>Thickness 0.126\" - 0.187\": \u00b10.007\"<\/li>\r\n <\/ul>\r\n\r\n <h3>ASTM A480 (Stainless Steel)<\/h3>\r\n <ul>\r\n <li>Thickness \u2264 0.1875\": \u00b10.005\"<\/li>\r\n <li>Thickness 0.1876\" - 0.250\": \u00b10.010\"<\/li>\r\n <li>Width \u2264 48\": tighter tolerance class available<\/li>\r\n <\/ul>\r\n\r\n <h3>EN 10051 (European Hot Rolled)<\/h3>\r\n <ul>\r\n <li>Thickness < 2.0 mm: \u00b10.15 mm<\/li>\r\n <li>Thickness 2.0 - 3.0 mm: \u00b10.20 mm<\/li>\r\n <li>Thickness 3.0 - 5.0 mm: \u00b10.30 mm<\/li>\r\n <li>Thickness > 5.0 mm: \u00b15% of nominal<\/li>\r\n <\/ul>\r\n <\/section>\r\n\r\n \r\n <section class=\"card\">\r\n <h2>How to Use This Chart<\/h2>\r\n <ol style=\"list-style: none; counter-reset: step; margin-left: 0; padding-left: 0;\">\r\n <li style=\"counter-increment: step; position: relative; padding: 14px 14px 14px 56px; background: #f8fafc; border-radius: 10px; margin-bottom: 10px; border: 1px solid #e8eef5;\"><span style=\"position: absolute; left: 14px; top: 50%; transform: translateY(-50%); width: 30px; height: 30px; background: linear-gradient(135deg, #0c3483, #4facfe); color: #fff; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: 800; font-size: 13px;\">1<\/span><strong>Identify your material type<\/strong> \u2014 Carbon steel, galvanized, stainless steel, or aluminum each have different gauge-to-thickness conversions<\/li>\r\n <li style=\"counter-increment: step; position: relative; padding: 14px 14px 14px 56px; background: #f8fafc; border-radius: 10px; margin-bottom: 10px; border: 1px solid #e8eef5;\"><span style=\"position: absolute; left: 14px; top: 50%; transform: translateY(-50%); width: 30px; height: 30px; background: linear-gradient(135deg, #0c3483, #4facfe); color: #fff; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: 800; font-size: 13px;\">2<\/span><strong>Find the gauge number<\/strong> \u2014 Locate your gauge number in the appropriate chart (lower gauge = thicker metal)<\/li>\r\n <li style=\"counter-increment: step; position: relative; padding: 14px 14px 14px 56px; background: #f8fafc; border-radius: 10px; margin-bottom: 10px; border: 1px solid #e8eef5;\"><span style=\"position: absolute; left: 14px; top: 50%; transform: translateY(-50%); width: 30px; height: 30px; background: linear-gradient(135deg, #0c3483, #4facfe); color: #fff; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: 800; font-size: 13px;\">3<\/span><strong>Read thickness and weight<\/strong> \u2014 Convert to mm or inches, and check weight per square meter for material calculations<\/li>\r\n <li style=\"counter-increment: step; position: relative; padding: 14px 14px 14px 56px; background: #f8fafc; border-radius: 10px; margin-bottom: 10px; border: 1px solid #e8eef5;\"><span style=\"position: absolute; left: 14px; top: 50%; transform: translateY(-50%); width: 30px; height: 30px; background: linear-gradient(135deg, #0c3483, #4facfe); color: #fff; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: 800; font-size: 13px;\">4<\/span><strong>Verify for your region<\/strong> \u2014 If working internationally, confirm which gauge standard applies (USS, SWG, metric, etc.)<\/li>\r\n <\/ol>\r\n <\/section>\r\n\r\n \r\n <section class=\"card\">\r\n <h2>Frequently Asked Questions<\/h2>\r\n \r\n <div class=\"faq open\">\r\n <div class=\"faq-question\" onclick=\"toggleFAQ(this)\">Why do different materials have different gauge thicknesses?<\/div>\r\n <div class=\"faq-answer\">The gauge system was developed separately for different materials based on historical manufacturing processes. Steel gauge is based on weight per unit area, while aluminum and stainless steel use different standards. This is why 16 gauge steel (1.5mm) is much thicker than 16 gauge stainless (1.5mm) or aluminum. Always verify the material-specific chart.<\/div>\r\n <\/div>\r\n <div class=\"faq\">\r\n <div class=\"faq-question\" onclick=\"toggleFAQ(this)\">Is 16 gauge or 18 gauge thicker?<\/div>\r\n <div class=\"faq-answer\">16 gauge is thicker. In the gauge system, smaller numbers = thicker material. So 16 gauge (~1.5mm) is thicker than 18 gauge (~1.2mm). This counter-intuitive system originated from the number of drawing operations needed to produce wire\/sheet\u2014fewer operations (lower gauge) meant thicker material.<\/div>\r\n <\/div>\r\n <div class=\"faq\">\r\n <div class=\"faq-question\" onclick=\"toggleFAQ(this)\">What's the most common gauge for automotive panels?<\/div>\r\n <div class=\"faq-answer\">Automotive body panels typically use 20-22 gauge (0.8-1.0mm) cold rolled steel for outer panels, and 18-20 gauge (1.0-1.2mm) for structural reinforcements. Modern vehicles increasingly use high-strength steel at thinner gauges (22-24) to reduce weight while maintaining strength.<\/div>\r\n <\/div>\r\n <div class=\"faq\">\r\n <div class=\"faq-question\" onclick=\"toggleFAQ(this)\">How do I convert gauge to metric thickness?<\/div>\r\n <div class=\"faq-answer\">Use the material-specific conversion chart above. For example, 16 gauge carbon steel = 1.519mm, 16 gauge stainless = 1.519mm, but 16 gauge aluminum uses the same gauge number but different actual thickness. There's no universal formula\u2014always use the chart for your specific material type.<\/div>\r\n <\/div>\r\n <div class=\"faq\">\r\n <div class=\"faq-question\" onclick=\"toggleFAQ(this)\">What gauge is best for roofing and siding?<\/div>\r\n <div class=\"faq-answer\">Residential roofing typically uses 26-29 gauge galvanized or Galvalume steel (0.4-0.5mm). Commercial roofing uses 22-24 gauge (0.6-0.8mm) for greater durability. Siding ranges from 26-29 gauge for residential to 24-26 gauge for commercial. Thicker gauges provide better dent resistance and longevity but cost more.<\/div>\r\n <\/div>\r\n <div class=\"faq\">\r\n <div class=\"faq-question\" onclick=\"toggleFAQ(this)\">Does galvanized coating add to the gauge thickness?<\/div>\r\n <div class=\"faq-answer\">Yes, galvanized gauge measurements include the base steel PLUS the zinc coating thickness. A G90 coating adds approximately 0.002\" (0.05mm) total thickness. When comparing galvanized to bare steel, the galvanized sheet will be slightly thicker at the same gauge number.<\/div>\r\n <\/div>\r\n <div class=\"faq\">\r\n <div class=\"faq-question\" onclick=\"toggleFAQ(this)\">Can I use American gauge numbers in Europe or Asia?<\/div>\r\n <div class=\"faq-answer\">Not reliably. Europe and Asia primarily use metric thickness specifications (mm) rather than gauge numbers. British SWG (Standard Wire Gauge) differs from American USS gauge. For international projects, always specify thickness in millimeters to avoid confusion and costly errors.<\/div>\r\n <\/div>\r\n <div class=\"faq\">\r\n <div class=\"faq-question\" onclick=\"toggleFAQ(this)\">What tolerance should I expect on gauge thickness?<\/div>\r\n <div class=\"faq-answer\">Tolerances vary by thickness and standard. For cold rolled steel under 2mm, expect \u00b10.05-0.10mm. Hot rolled and galvanized have wider tolerances (\u00b10.15-0.30mm). Precision-ground stock can achieve \u00b10.02mm but costs significantly more. Always check the applicable ASTM or EN standard for your specific material and thickness.<\/div>\r\n <\/div>\r\n <\/section>\r\n <\/main>\r\n\r\n \r\n <aside class=\"right-sidebar\">\r\n\r\n <div class=\"sidebar-card\">\r\n <h3>\ud83d\udcca Quick Conversions<\/h3>\r\n <ul class=\"quick-ref\">\r\n <li><span>16 ga Steel<\/span><span class=\"value\">1.52 mm<\/span><\/li>\r\n <li><span>18 ga Steel<\/span><span class=\"value\">1.21 mm<\/span><\/li>\r\n <li><span>20 ga Steel<\/span><span class=\"value\">0.91 mm<\/span><\/li>\r\n <li><span>22 ga Steel<\/span><span class=\"value\">0.76 mm<\/span><\/li>\r\n <li><span>24 ga Steel<\/span><span class=\"value\">0.61 mm<\/span><\/li>\r\n <li><span>1 inch<\/span><span class=\"value\">25.4 mm<\/span><\/li>\r\n <li><span>1 mm<\/span><span class=\"value\">0.0394 in<\/span><\/li>\r\n <\/ul>\r\n <\/div>\r\n\r\n <div class=\"sidebar-card\">\r\n <h3>\u2696\ufe0f Weight Reference<\/h3>\r\n <ul class=\"quick-ref\">\r\n <li><span>Steel density<\/span><span class=\"value\">7.85 g\/cm\u00b3<\/span><\/li>\r\n <li><span>Stainless 304<\/span><span class=\"value\">8.00 g\/cm\u00b3<\/span><\/li>\r\n <li><span>Aluminum<\/span><span class=\"value\">2.71 g\/cm\u00b3<\/span><\/li>\r\n <li><span>1 mm steel<\/span><span class=\"value\">7.85 kg\/m\u00b2<\/span><\/li>\r\n <li><span>1 lb\/ft\u00b2<\/span><span class=\"value\">4.88 kg\/m\u00b2<\/span><\/li>\r\n <\/ul>\r\n <\/div>\r\n\r\n <div class=\"sidebar-card\">\r\n <h3>\ud83d\udd27 Common Gauges<\/h3>\r\n <ul class=\"quick-ref\">\r\n <li><span>HVAC Duct<\/span><span class=\"value\">22-26 ga<\/span><\/li>\r\n <li><span>Auto Body<\/span><span class=\"value\">18-22 ga<\/span><\/li>\r\n <li><span>Appliances<\/span><span class=\"value\">16-20 ga<\/span><\/li>\r\n <li><span>Roofing<\/span><span class=\"value\">26-29 ga<\/span><\/li>\r\n <li><span>Electrical Box<\/span><span class=\"value\">16-20 ga<\/span><\/li>\r\n <li><span>SS Countertop<\/span><span class=\"value\">16-18 ga<\/span><\/li>\r\n <\/ul>\r\n <\/div>\r\n\r\n <div class=\"sidebar-card\">\r\n <h3>\ud83d\udcd0 Gauge Standards<\/h3>\r\n <ul class=\"quick-ref\">\r\n <li><span>USS<\/span><span class=\"value\">Carbon Steel<\/span><\/li>\r\n <li><span>ASTM A480<\/span><span class=\"value\">Stainless<\/span><\/li>\r\n <li><span>AWG<\/span><span class=\"value\">Aluminum\/Wire<\/span><\/li>\r\n <li><span>BWG<\/span><span class=\"value\">Tubing<\/span><\/li>\r\n <li><span>SWG<\/span><span class=\"value\">British Std<\/span><\/li>\r\n <li><span>Metric<\/span><span class=\"value\">ISO\/EN\/GB<\/span><\/li>\r\n <\/ul>\r\n <\/div>\r\n\r\n <div class=\"sidebar-card\">\r\n <h3>\ud83d\udca1 Specification Tips<\/h3>\r\n <div class=\"tip-box\">\r\n <strong>Best Practice<\/strong>\r\n Always specify BOTH gauge number AND actual thickness (mm or inches) on drawings and POs. Include material type (steel\/stainless\/aluminum) and standard (USS\/ASTM\/metric) to eliminate confusion.\r\n <\/div>\r\n <\/div>\r\n <\/aside>\r\n <\/div>\r\n <\/div>\r\n<\/div>\r\n\r\n<script>\r\n \/\/ FAQ toggle\r\n function toggleFAQ(el) {\r\n el.parentElement.classList.toggle('open');\r\n }\r\n\r\n \/\/ Gauge conversion data\r\n const gaugeData = {\r\n steel: {\r\n 16: {mm: 1.519, inch: 0.0598, weight: 11.93, use: 'HVAC ductwork, general metalwork'},\r\n 18: {mm: 1.214, inch: 0.0478, weight: 9.54, use: 'Light ductwork, decorative panels'},\r\n 20: {mm: 0.912, inch: 0.0359, weight: 7.15, use: 'Electrical boxes, light enclosures'},\r\n 22: {mm: 0.759, inch: 0.0299, weight: 5.96, use: 'Roofing, siding, flashing'},\r\n 24: {mm: 0.607, inch: 0.0239, weight: 4.77, use: 'Ductwork, gutters, downspouts'},\r\n 14: {mm: 1.897, inch: 0.0747, weight: 14.93, use: 'Automotive body panels'},\r\n 12: {mm: 2.657, inch: 0.1046, weight: 20.89, use: 'Automotive panels, appliances'},\r\n 10: {mm: 3.416, inch: 0.1345, weight: 26.85, use: 'Floor plates, equipment covers'}\r\n },\r\n galvanized: {\r\n 16: {mm: 1.613, inch: 0.0635, weight: 13.00, use: 'Roofing, siding'},\r\n 18: {mm: 1.311, inch: 0.0516, weight: 10.56, use: 'Ductwork, flashing'},\r\n 20: {mm: 1.006, inch: 0.0396, weight: 8.11, use: 'Light roofing, trim'},\r\n 22: {mm: 0.853, inch: 0.0336, weight: 6.88, use: 'Residential roofing'},\r\n 24: {mm: 0.701, inch: 0.0276, weight: 5.65, use: 'Gutters, downspouts'},\r\n 26: {mm: 0.551, inch: 0.0217, weight: 4.43, use: 'Light roofing panels'},\r\n 14: {mm: 1.994, inch: 0.0785, weight: 16.04, use: 'Commercial roofing'},\r\n 12: {mm: 2.753, inch: 0.1084, weight: 22.16, use: 'Heavy duty roofing'}\r\n },\r\n stainless: {\r\n 16: {mm: 1.519, inch: 0.0598, weight: 12.23, use: 'Countertops, decorative panels'},\r\n 18: {mm: 1.214, inch: 0.0478, weight: 9.78, use: 'Splashbacks, decorative trim'},\r\n 20: {mm: 0.912, inch: 0.0359, weight: 7.33, use: 'Light cladding, trim work'},\r\n 22: {mm: 0.759, inch: 0.0299, weight: 6.11, use: 'Decorative applications'},\r\n 24: {mm: 0.607, inch: 0.0239, weight: 4.89, use: 'Light decorative work'},\r\n 14: {mm: 1.897, inch: 0.0747, weight: 15.29, use: 'Architectural panels'},\r\n 12: {mm: 2.657, inch: 0.1046, weight: 21.40, use: 'Appliance panels'},\r\n 10: {mm: 3.416, inch: 0.1345, weight: 27.51, use: 'Food service countertops'}\r\n },\r\n aluminum: {\r\n 16: {mm: 1.519, inch: 0.0598, weight: 4.23, use: 'Panels, trim work'},\r\n 18: {mm: 1.214, inch: 0.0478, weight: 3.38, use: 'Lightweight panels'},\r\n 20: {mm: 0.912, inch: 0.0359, weight: 2.54, use: 'Decorative trim'},\r\n 22: {mm: 0.759, inch: 0.0299, weight: 2.11, use: 'Light applications'},\r\n 24: {mm: 0.607, inch: 0.0239, weight: 1.69, use: 'Very light trim'},\r\n 14: {mm: 1.897, inch: 0.0747, weight: 5.28, use: 'Structural panels'},\r\n 12: {mm: 2.657, inch: 0.1046, weight: 7.40, use: 'Industrial applications'},\r\n 10: {mm: 3.416, inch: 0.1345, weight: 9.52, use: 'Heavy duty panels'}\r\n }\r\n };\r\n\r\n \/\/ Converter function\r\n function convertGauge() {\r\n const material = document.getElementById('materialType').value;\r\n const gauge = parseInt(document.getElementById('gaugeInput').value);\r\n \r\n if (!gauge || gauge < 3 || gauge > 30) {\r\n alert('Please enter a valid gauge number (3-30)');\r\n return;\r\n }\r\n \r\n const data = gaugeData[material][gauge];\r\n \r\n if (!data) {\r\n alert('Gauge ' + gauge + ' data not available for this material. Common gauges: 10, 12, 14, 16, 18, 20, 22, 24, 26');\r\n return;\r\n }\r\n \r\n document.getElementById('resultMM').textContent = data.mm + ' mm';\r\n document.getElementById('resultInch').textContent = data.inch + ' in';\r\n document.getElementById('resultWeight').textContent = data.weight + ' kg\/m\u00b2';\r\n document.getElementById('resultUse').textContent = data.use;\r\n document.getElementById('converterResult').style.display = 'block';\r\n }\r\n\r\n \/\/ Allow Enter key to convert\r\n document.getElementById('gaugeInput').addEventListener('keypress', function(e) {\r\n if (e.key === 'Enter') {\r\n convertGauge();\r\n }\r\n });\r\n<\/script>\r\n<\/body>\r\n<\/html>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Sheet Metal Gauge Chart | Thickness Conversion Guide | Baowu Steel Sheet Metal Gauge Chart Complete thickness conversion guide for […]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"site-sidebar-layout":"no-sidebar","site-content-layout":"","ast-site-content-layout":"full-width-container","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"disabled","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"class_list":["post-1161","page","type-page","status-publish","hentry"],"acf":[],"_links":{"self":[{"href":"https:\/\/baowu-steel.com\/wp-json\/wp\/v2\/pages\/1161","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/baowu-steel.com\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/baowu-steel.com\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/baowu-steel.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/baowu-steel.com\/wp-json\/wp\/v2\/comments?post=1161"}],"version-history":[{"count":7,"href":"https:\/\/baowu-steel.com\/wp-json\/wp\/v2\/pages\/1161\/revisions"}],"predecessor-version":[{"id":1207,"href":"https:\/\/baowu-steel.com\/wp-json\/wp\/v2\/pages\/1161\/revisions\/1207"}],"wp:attachment":[{"href":"https:\/\/baowu-steel.com\/wp-json\/wp\/v2\/media?parent=1161"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}