ASTM-A-513 Type 1 (Hot-Rolled)
Outside Diameter Tolerances (INCHES)
	Outside Diameter Range	Nominal Wall	Outside Diameter Tolerance
				Over		Under
				inches		inches
	0.500 - 1.125	All		.0035		.0035
	1.126 - 2.000	All		.005		.005
	2.001 - 2.500	All		.006		.006
	2.501 - 3.000	Up to 0.259		.008		.008
	2.501 - 3.000	Over 0.259		.010		.010
	3.001 - 3.500	Up to 0.259		.009		.009
	3.001 - 3.500	Over 0.259		.012		.012
	3.501 - 4.000	Up to 0.259		.010		.010
	3.501 - 4.000	Over 0.259		.015		.015
	4.001 - 5.000	All		.020		.020
Wall Tolerances (INCHES)
	Birminham Wire Gage	Nominal Wall	Minimum
				inches
	16	0.065		0.053 - 0.056
	14	0.083		0.070 - 0.073
	13	0.095		0.082 - 0.085
	12	0.109		0.096 - 0.099
	11	0.120		0.107 - 0.110
	10	0.134		0.121 - 0.124

ASTM-A-513 Type 2 (Cold-Rolled)
Outside Diameter Tolerances (INCHES)
	Outside Diameter Range	Nominal Wall	Outside Diameter Tolerance
				Over		Under
				inches		inches
	0.500 - 1.125	All		.0035		.0035
	1.126 - 2.000	All		.005		.005
	2.001 - 2.500	All		.006		.006
	2.501 - 3.000	Up to 0.259		.008		.008
	3.001 - 3.500	Up to 0.259		.009		.009
	3.501 - 4.000	Up to 0.259		.010		.010
	4.001 - 5.000	All		.020		.020
Wall Tolerances (INCHES)
	Birminham Wire Gage	Nominal Wall	Minimum
				inches
	20	0.035		0.030
	18	0.049		0.043
	16	0.065		0.055 - 0.056