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ASTM A500/ A500M Gr.B square pipe

ASTM A500 is a standard specification published by the ASTM for cold-formed welded and seamless carbon steel structural tubing in round, square, and rectangular shapes.

ASTM A500M Gr B chemical composition

Grade	UNS	Composition (% by weight in heat)
		C	Mn	P	S	Cu
		max %	max %	max %	max %	min %
B	K03000	0.26	1.35	0.035	0.035	0.20

ASTM A500 Gr B mechanical properties

Grade	tensile	yield (round)	yield (shaped)	elongation
B	MPa (ksi)	MPa (ksi)	MPa (ksi)	%
B	400 (58)	290 (42)	315 (46)	23

ASTM A500/A500M GrB square pipe heat treatment

Not applicable. The product is used in the "as supplied" condition and may be annealed or stress

relieved by the supplier as supplied.

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