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ASTM A537

Pressure Vessel Plates, Heat-Treated, Carbon-Manganese-Silicon Steel

Heat-treated carbon-manganese-silicon steel plates meant for fusion-welded pressure vessels and structures.

Plates furnished under this specification are available in the following three classes:

ClassHeat TreatmentThicknessYield Strength, min, ksi [MPa]Tensile Strength, min, ksi [MPa]
1Normalized21/2 in. and under [65 mm and under]
Over 21/2 to 4 in. [Over 65 to 100 mm]
50 [345]
45 [310]
70 [485]
65 [450]
2Quenched and tempered21/2 in. and under [65 mm and under]
Over 21/2 to 4 in. [Over 65 to 100 mm]
Over 4 to 6 in. [Over 100 to 150 mm]
60 [415]
55 [380]
46 [315]
80 [550]
75 [515]
70 [485]
3Quenched and tempered21/2 in. and under [65 mm and under]
Over 21/2 to 4 in. [Over 65 to 100 mm]
55 [380]
50 [345]
80 [550]
75 [515]
4Over 4 to 6 in. [Over 100 to 150 mm]40 [275]70 [485]

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