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ASTM A285 Grade A, B, & C

Pressure Vessel Plates, Carbon Steel, Low- and Intermediate-Tensile Strength

Carbon steel plates of low- and intermediate-tensile strengths which may be made by killed, semi-killed, capped, or rimmed steel. These plates are meant for fusion-welded pressure vessels.

Plates under this specification are available in three grades having different strength levels as follows:

GradeTensile Strength, ksi [MPa]
A45–65 [310–450]
B50–70 [345–485]
C55–75 [380–515]

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