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Sheet Metal Gauge: steel
20 to 29
Sheet metal gauge thickness chart — gauge number to thickness and weight conversions for steel, aluminum, stainless steel, and other metals
| material | gauge number | material standard | thickness in (in) | thickness mm (mm) | weight lb ft2 (lb/ft2) |
|---|---|---|---|---|---|
| steel | 20 | steel mfg std | 0.0359 | 0.912 | 1.5 |
| steel | 21 | steel mfg std | 0.0329 | 0.836 | 1.375 |
| steel | 22 | steel mfg std | 0.0299 | 0.759 | 1.25 |
| steel | 23 | steel mfg std | 0.0269 | 0.683 | 1.125 |
| steel | 24 | steel mfg std | 0.0239 | 0.607 | 1 |
| steel | 25 | steel mfg std | 0.0209 | 0.531 | 0.875 |
| steel | 26 | steel mfg std | 0.0179 | 0.455 | 0.75 |
| steel | 27 | steel mfg std | 0.0164 | 0.417 | 0.6875 |
| steel | 28 | steel mfg std | 0.0149 | 0.378 | 0.625 |
| steel | 29 | steel mfg std | 0.0135 | 0.343 | 0.5625 |
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