ASTM A573 / A573M Grade 70

Chemical Properties

Carbon		Manganese	Phosphorus,max	Sulfur,max	Silicon
1/2 in. [13 mm] and under	Over 1/2 in. [13 mm] to 1 1/2 in., [40 mm], incl
0.27	0.28	0.85–1.20	0.030	0.030	0.15–0.40

Mechanical Properties

Tensile strength,min: ksi [MPa]	Yield strength,min: ksi [MPa]	Elongation in 8 in. [200 mm] minB,C , %	Elongation in 2 in. [50 mm], minB,C , %
70–90 [485–620]	42 [290]	18	21

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