ASTM A204 / A204 Grade B

Chemical Properties

Carbon				Manganese	Phosphorus,max	Sulfur,max	Silicon	Nickel
Up to 1 in. [25 mm] incl, in thickness	Over 1 in. to 2 in. [50 mm] incl, in thickness	Over 2 in. to 4 in. [100 mm] incl, in thickness	Over 4 in. [100 mm] in thickness
0.20	0.23	0.25	0.27	0.98	0.025	0.025	0.13–0.45	0.41–0.64

Mechanical Properties

Tensile strength,min: ksi [MPa]	Yield strength,min: ksi [MPa]	Elongation in 8 in. [200 mm] min, %A	Elongation in 2 in. [50 mm] min, %A,B
70–90 [485–620]	40 [275]	17	21

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