SHEET PRODUCT  
AISI Thickness Tolerance Range
 

Gage No.

Thickness Inches
H.R. and H.R.P.O. C.R. Galv.
Dec. Equiv. Toler. Range Dec. Equiv. Toler. Range Dec. Equiv. Toler. Range
7 .1793 .1873 .1793 .1883    
.1713 .1703
8 .1644 .1724 .1644 .1734    
.1564 .1554
9 .1495 .1575 .1495 .1585.    
.1415 .1405
10 .1345 .1425 .1345 .1405 .1382 .1472
.1265 .1285 .1292
11 .1196 .1276 .1196 .1256 .1233 .1323
.1116 .1136 .1143
12 .1046 .1126 .1046 .1106 .1084 .1174
.0966 .0986 .0994
13 .0897 .0967 .0897 .0947 .0934 .1014
.0827 .0847 .0854
14 .0747 .0817 .0747 .0797 .0785 .0865
.0677 .0697 .0705
15 .0673 .0733 .0673 .0723 .0710 .0770
.0613 .0623 .0650
16 .0598 .0658 .0598 .0648 .0635 .0695
.0538 .0548 .0575
17 .0538 .0598 .0538 .0578 .0575 .0625
.0478 .0498 .0525
18 .0478 .0528 .0478 .0518 .0516 .0566
.0428 .0438 .0466
19     .0418 .0458 .0456 .0506
.0378 .0406
20     .0359 .0389 .0396 .0436
.0329 .0356
21     .0329 .0359 .0366 .0406
.0299 .0326
22     .0299 .0329 .0336 .0376
.0269 .0296
23     .0269 .0299 .0306 .0346
.0239 .0266
24     .0239 .0269 .0276 .0316
.0209 .0236
25     .0209 .0239 .0247 .0287
.0179 .0207
26     .0179 .0199 .0217 .0247
.0159 .0187
27     .0164 .0184 .0202 .0232
.0144 .0172
28     .0149 .0169 .0187 .0217
.0129 .0157
29     .0135 .0155 .0172 .0202
.0115 .0142
30     .0120 .0130 .0157 .0187
.0110 .0127
CR —   Tolerances for widths over 48″ thru 72″
HR —   Tolerances for widths over 40″ thru 48″
Galv — Tolerances for widths over 40″ thru 60″