After 00g, we run out of gauge sizes, so we use fractions of an inch instead. GAUGE TO THICKNESS CHART (Click here for a printable PDF chart) Gauge. corresponds to the standard steel thickness of 0.0329 inches (0.84mm); the corresponding galvanized steel thickness is 0.0366 inches (0.93mm), and the corresponding aluminum thickness is 0.028 inches (0.71mm). Over 17,000 products available from our 16,000 SF warehouse in Toronto. Galvanized steel: 24 gauge, 20 gauge, 18 gauge and 16 gauge. Accordingly, a gauge range is difficult to determine. 00g is equal to about 3/8 of an inch. 7.179--8.164.172-9.150.156-10.135.141-11.120.125-12.105.109-13.090.094.093: 14.075.078.079: 15.067.070.071: 16.060 Stainless. Metal Gauge Chart - Get engineering information at our online machineshop. Sheet Metal Gauge Thickness Chart ( to mm/inch Comversation) Gauge Number Standard Steel Galvanized Steel Stainless Steel Aluminum, Brass, Copper in mm in mm in mm in mm 3 0.2391 6.073 0.2294 5.827 4 0.2242 5.095 0.2344 5.954 0.2043 5.189 5 0.2092 5.314 0.2187 5.555 0.1819 4.62 The next size after 00g is 7/16". 0.0187 (0.452) 0.0217 (0.55) 0.0179 (0.45) 0.0159 (.40) 25 . *** Steel crochet hooks are sized differently from regular hooks—the higher the number, the smaller the hook, which is the reverse of regular hook sizing Gauge/Inches Conversion Chart GAUGE NOMINAL INCHES 0 .340” 1 .300” 2 .284” 3 .259” 4 .238” 5 .220” 6 .203” 7 .180” 8 .165” 9 .148” 10 .134” Metal Gauges Below you’ll find the info you need with our sheet steel, stainless steel and aluminum sheet metal charts. Galvanized. gage no. Sheet Steel Aluminum Fraction. The story of gauge. Use the chart below to convert standard gauge numbers in decimals of an inch for sheet steel, aluminum and stainless steel. Can't find what you are looking for? The following sheet metal gauge size reference chart gives the weight and thickness of sheet metal given as a "gauge" (sometimes spelled gage) and indicates the standard thickness of sheet metal and wire.For most materials, as the gauge number increases, the material thickness decreases. ft. 7 8 0.168 .159 to .177 7.031 Sheet Metal Gage Conversion Chart (Inches) American Wire Gage Sizes: Gage No. Always follow the gauge stated in your pattern. steel: stainless stl. Gauge Decimal Equivalent Tolerance Range Lbs. When you get to 0g, the next size is 00g (pronounced “double zero gauge"). In-stock orders placed before 3:30pm shipped the same day. alum. Copper: 48 oz, 24 oz, 20 oz and 16 oz. per sq. inches (mm) inches (mm) inches (mm) inches (mm) 26 . For example, 21Ga. Cold and hot rolled steel: 16 gauge, 14 gauge, 1/8" and 1/4". Canada's best source for Quality Tools, Equipment and Supplies for Jewellers and the Jewellery Industry.