Cold Rolled Sheet Thickness Tolerances

The table below shows the ASTM thickness tolerances for cold rolled steel as well as weight in pounds per square feet. Sheet weights are based on ordered thickness at 41.82 pounds per square foot per inch thick (nominal weight).

GaugeMin.Max.NomLbs/sqft
10 .1285 .1405 .1345 5.624
11 .1136 .1256 .1196 5.001
12 .0986 .1106 .1046 4.374
13 .0847 .0947 .0897 3.751
14 .0697 .0797 .0747 3.124
15 .0623 .0723 .0673 2.814
16 .0548 .0648 .0598 2.501
17 .0498 .0578 .0538 2.250
18 .0438 .0518 .0478 1.999
19 .0378 .0458 .0418 1.748
20 .0329 .0389 .0359 1.501
21 .0299 .0359 .0329 1.376
22 .0269 .0329 .0299 1.250
23 .0239 .0299 .0269 1.125
24 .0209 .0269 .0239 0.999
25 .0179 .0239 .0209 0.874
26 .0159 .0199 .0179 0.749
27 .0144 .0184 .0164 0.686
28 .0129 .0169 .0149 0.623

Sheet weights are based on ordered thickness at 41.82 pounds per square foot per inch thick (nominal weight)