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| Gage Comparison Chart | |||||||||||||
| ASTM A240 | ASTM A568 | ASTM A924 | ANSI-H35.2 | ||||||||||
| Stainless | HR&HR P&O | Galvanized | Aluminum | ||||||||||
| Gauge | Min. | Sheet (48") | Max. | Min. | Steel Sheet (48") | Max. | Min. | Sheet (48") | Max. | Min. | Sheet (48") | Max. | |
| 30 | 0.0015 | 0.0125 | 0.0015 | n/a | 0.0120 | n/a | 0.002 | 0.0157 | 0.002 | 0.0015 | 0.0100 | 0.0015 | |
| 29 | 0.0015 | 0.0140 | 0.0015 | n/a | 0.0135 | n/a | 0.002 | 0.0172 | 0.002 | 0.0015 | 0.0113 | 0.0015 | |
| 28 | 0.0015 | 0.0156 | 0.0015 | n/a | 0.0149 | n/a | 0.002 | 0.0187 | 0.002 | 0.0015 | 0.0126 | 0.0015 | |
| 27 | 0.0015 | 0.0171 | 0.0015 | n/a | 0.0164 | n/a | 0.002 | 0.0202 | 0.002 | 0.0015 | 0.0142 | 0.0015 | |
| 26 | 0.0015 | 0.0187 | 0.0015 | n/a | 0.0179 | n/a | 0.002 | 0.0217 | 0.002 | 0.0015 | 0.0159 | 0.0015 | |
| 25 | 0.002 | 0.0218 | 0.002 | n/a | 0.0209 | n/a | 0.002 | 0.0247 | 0.002 | 0.002 | 0.0179 | 0.002 | |
| 24 | 0.002 | 0.0250 | 0.002 | n/a | 0.0239 | n/a | 0.002 | 0.0276 | 0.002 | 0.002 | 0.0201 | 0.002 | |
| 23 | 0.002 | 0.0281 | 0.002 | n/a | 0.0269 | n/a | 0.002 | 0.0306 | 0.002 | 0.002 | 0.0226 | 0.002 | |
| 22 | 0.002 | 0.0312 | 0.002 | n/a | 0.0299 | n/a | 0.002 | 0.0336 | 0.002 | 0.002 | 0.0253 | 0.002 | |
| 21 | 0.002 | 0.0343 | 0.002 | n/a | 0.0329 | n/a | 0.002 | 0.0366 | 0.002 | 0.0025 | 0.0285 | 0.0025 | |
| 20 | 0.0025 | 0.0375 | 0.0025 | n/a | 0.0359 | n/a | 0.002 | 0.0396 | 0.002 | 0.003 | 0.0320 | 0.003 | |
| 19 | 0.0025 | 0.0437 | 0.0025 | n/a | 0.0418 | n/a | 0.002 | 0.0456 | 0.002 | 0.003 | 0.0359 | 0.003 | |
| 18 | 0.0025 | 0.0500 | 0.0025 | 0.0428 | 0.0478 | 0.0528 | 0.002 | 0.0516 | 0.002 | 0.0035 | 0.0403 | 0.0035 | |
| 17 | 0.003 | 0.0562 | 0.003 | 0.0478 | 0.0538 | 0.0598 | 0.002 | 0.0575 | 0.002 | 0.0035 | 0.0453 | 0.0035 | |
| 16 | 0.003 | 0.0625 | 0.003 | 0.0538 | 0.0598 | 0.0658 | 0.003 | 0.0635 | 0.003 | 0.0035 | 0.0508 | 0.0035 | |
| 15 | 0.003 | 0.0703 | 0.003 | 0.0613 | 0.0673 | 0.0733 | 0.003 | 0.0710 | 0.003 | 0.0035 | 0.0571 | 0.0035 | |
| 14 | 0.003 | 0.0781 | 0.003 | 0.0677 | 0.0747 | 0.0817 | 0.006 | 0.0785 | 0.006 | 0.004 | 0.0641 | 0.004 | |
| 13 | 0.003 | 0.0937 | 0.003 | 0.0827 | 0.0897 | 0.0967 | 0.006 | 0.0934 | 0.006 | 0.004 | 0.0720 | 0.004 | |
| 12 | 0.004 | 0.1093 | 0.004 | 0.0966 | 0.1046 | 0.1126 | 0.007 | 0.1084 | 0.007 | 0.0045 | 0.0808 | 0.0045 | |
| 11 | 0.004 | 0.1250 | 0.004 | 0.1116 | 0.1196 | 0.1276 | 0.007 | 0.1233 | 0.007 | 0.0045 | 0.0907 | 0.0045 | |
| 10 | 0.0045 | 0.1406 | 0.0045 | 0.1265 | 0.1345 | 0.1425 | 0.007 | 0.1382 | 0.007 | 0.0055 | 0.1019 | 0.0055 | |
| 62 | |||||||||||||