Mechanical Steel Sheet Mechanical Tolerances
The following charts give typical ASTM and ANSI steel sheet mechanical tolerance ranges.
HR - Hot Rolled
CR - COLD ROLLED
Sheet Metal Gage (guage) size chart
Carbon Steel Sheets
Gage |
Thickness, Inches |
Lbs/Ft2 |
||
---|---|---|---|---|
Decimal |
Tolerance Range |
Weight |
||
H R |
CR |
|||
4 |
.2242 |
.2332 .2152 |
9.375 |
|
5 |
.2092 |
.2182 .2002 |
8.75 |
|
6 |
.1943 |
.2033 .1853 |
8.125 |
|
7 |
.1793 |
.1873 .1713 |
.1883 .1703 |
7.5 |
8 |
.1644 |
.1724 .1564 |
.1734 .1554 |
6.875 |
9 |
.1495 |
.1575 .1415 |
.1585 .1405 |
6.25 |
10 |
.1345 |
.1425 .1265 |
.1405 .1285 |
5.625 |
11 |
.1196 |
.1276 .1116 |
.1256 .1136 |
5.0 |
12 |
.1046 |
.1126 .0966 |
.1106 .0986 |
4.375 |
13 |
.0897 |
.0967 .0827 |
.0947 .0847 |
3.75 |
14 |
.0747 |
.0817 .0677 |
.0797 .0697 |
3.125 |
15 |
.0673 |
.0733 .0613 |
.0723 .0623 |
2.812 |
16 |
.0598 |
.0658 .0538 |
.0648 .0548 |
2.5 |
17 |
.0538 |
.0598 .0478 |
.0548 .0498 |
2.25 |
18 |
.0478 |
.0528 .0428 |
.0518 .0438 |
2.0 |
19 |
.0418 |
.0458 .0378 |
1.75 |
|
20 |
.0359 |
.0389 .0329 |
1.5 |
|
21 |
.0329 |
.0359 .0299 |
1.375 |
|
22 |
.0299 |
.0329 .0269 |
1.25 |
|
23 |
.0269 |
.0299 .0239 |
1.125 |
|
24 |
.0239 |
.0269 .0209 |
1.0 |
|
25 |
.0209 |
.0239 .0179 |
.875 |
|
26 |
.0179 |
.0199 .0159 |
.75 |
|
27 |
.0164 |
.0184 .0144 |
.688 |
|
28 |
.0149 |
.0169 .0129 |
.625 |
|
29 |
.0135 |
.0155 .0115 |
.562 |
|
30 |
.0120 |
.0130 .0110 |
.50 |
Galvanized Steel Sheets
Gage |
Thickness, Inches |
Lbs/Ft2 |
|
---|---|---|---|
Decimal Equivalent |
Tolerance Range |
Weight |
|
10 |
.1382 | .1472 .1292 |
5.78125 |
11 |
.1233 |
.1323 .1143 |
5.15625 |
12 |
.1084 |
.1174 .0994 |
4.53125 |
13 |
.0934 |
.1014 .0854 |
3.90625 |
14 |
.0785 |
.0865 .0705 |
3.28125 |
15 |
.0710 |
.0770 .0650 |
2.96875 |
16 |
.0635 |
.0695 .0575 |
2.65625 |
17 |
.0575 |
.0625 .0525 |
2.40625 |
18 |
.0516 |
.0566 .0466 |
2.15625 |
19 |
.0456 |
.0506 .0406 |
1.90625 |
20 |
.0396 |
.0436 .0356 |
1.65625 |
21 |
.0366 |
.0406 .0326 |
1.53125 |
22 |
.0336 |
.0376 .0296 |
1.40625 |
23 |
.0306 |
.0346 .0266 |
1.28125 |
24 |
.0276 |
.0316 .0236 |
1.15625 |
25 |
.0247 |
.0287 .0207 |
1.03125 |
26 |
.0217 |
.0247 .0187 |
.90625 |
27 |
.0202 |
.0232 .0172 |
.84375 |
28 |
.0187 |
.0217 .0157 |
.78125 |
29 |
.0172 |
.0202 .0142 |
.71875 |
30 |
.0157 |
.0187 .0127 |
.65625 |