Sheet Metal Gauge Size Chart – Inch

Sheet Metal Gauge Size Chart – Inch                                          Sheet Metal Gauge Size Chart – mm
Gauge sizes are numbers that indicate the thickness of a piece of sheet metal, with a higher number referring to a thinner sheet. Following reference table gives the different Gauges sizes (sheet metal thickness) for Standard Steel, Galvanized Steel, Stainless Steel, Aluminium.

GaugeStandard SteelGalvanized SteelStainless SteelAluminium
GaugeStandard SteelGalvanized SteelStainless SteelAluminium
30.2391-0.25000.2294
40.2242-0.23440.2043
50.2092-0.21870.1819
60.1943 -0.20310.1620
70.1793-0.18750.1443
80.16440.16810.17190.1285
90.14950.15320.15620.1144
100.13450.13820.14060.1019
110.11960.12330.12500.0907
120.10460.10840.10940.0808
130.08970.09340.09370.0720
140.07470.07850.07810.0641
150.06730.07100.07030.0571
160.05980.06350.06250.0508
170.05380.05750.05620.0453
180.04780.05160.05000.0403
190.04180.04560.04370.0359
200.03590.03960.03750.0320
210.03290.03660.03440.0285
220.02990.03360.03120.0253
230.02690.03060.02810.0226
240.02390.02760.02500.0201
250.02090.02470.0219 0.0179
260.01790.02170.01870.0159
270.01640.02020.01720.0142
280.01490.01870.01560.0126
290.01350.01720.01410.0113
300.01200.01570.01250.0100
310.01050.01420.01090.0089
320.00970.01340.01020.0080
330.0090-0.00940.0071
340.0082-0.00860.0063
350.0075-0.00780.0056
360.0067-0.00700.0050
370.0064-0.00660.0045
380.0060-0.00620.0040
39---0.0035
40---0.0031


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