Steel Sheet Thickness Tolerances

Hot Rolled – H R P & O – Cold Rolled – Galvanized

Tolerances shown are for 48″ wide sheets. Weights are based on ordered thickness at 41.82 lbs. per square foot per inch thick. Hot Rolled. HR P&O. Cold Rolled Galvanized Tolerance Range

Gage No.	Dec. Equiv.	HR. P&O	CR	Lbs. per Sq. Ft.	Dec. Equiv.	Tolerance Range	Lbs. per Sq. Ft.
		.2332
4	.2242			9.375
		.2152
		.2182
5	.2092			8.750
		.2002
		.2033
6	.1943			8.125
		.1853
		.1873	.1873
7	.1793			7.500
		.1713	.1713
		.1724	.1724			.1771
8	.1644			6.875	.1681		7.031
		.1564	.1564			.1591
		.1575	.1575			.1622
9	.1495			6.250	.1532		6.406
		.1415	.1415			.1442
		.1425	.1406			.1472
10	.11345			5.625	.1382		5.781
		.1265	.1285			.1292
		.1276	.1256			.1323
11	.1196			5.000	.1233		5.156
		.1116	.1136			.1143
		.1126	.1106			.1174
12	.1046			4.375	.1084		4.531
		.0966	.0986			.0994
		.0967	.0947			.1014
13	.0897			3.750	.0934		3.906
		.0827	.0847			.0854
		.0817	.0797			.0865
14	.0747			3.125	.0785		3.281
		.0677	.0697			.0705
		.0733	.0723			.0770
15	.0673			2.813	.0710		2.969
		.0613	.0623			.0650
		.0658	.0648			.0695
16	.0598			2.500	.0635		2.656
		.0538	.0548			.0575
		.0598	.0578			.0625
17	.0538			2.250	.0575		2.406
		.0478	.0498			.0525
		.0528	.0518			.0566
18	.0478			2.000	.0516		2.156
		.0428	.0438			.0466
			.0458			.0506
19	.0418			1.750	.0456		1.906
			.0378			.0406
			.0389			.0436
20	.0359			1.500	.0396		1.656
			.0329			.0356
			.0359			.0406
21	.0329			1.375	.0366		1.531
			.0299			.0326
			.0329			.0376
22	.0299			1.250	.0336		1.406
			.0269			.0296
			.0299			.0346
23	.0269			1.125	.0306		1.281
			.0239			.0266
			.0269			.0316
24	.0239			1.000	.0276		1.156
			.0209			.0236
			.0239			.0287
25	.0209			.875	.0247		1.031
			.0179			.0207
			.0199			.0247
26	.0179			.750	.0217		.906
			.0159			.0187
			.0184			.0232
27	.0164			.688	.0202		.844
			.0144			.0172
			.0169			.0217
28	.0149			.625	.0187		.781
			.0129			.0157
						.0202
29					.0172		.719
						.0142
						.0187
30					.0157		.656
						.0127