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Pressure Vessel Plate ASME SA537 Class 1 and ASTM A537 Clas

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Pressure Vessel Plate ASME SA537 Class 1 and ASTM A537 Clas

We are also world-leading stockists and processors of other ASME and ASTM carbon steel pressure vessel plates manufactured and certified to:

ASTM A516 Gr. 70 ASME SA516 Gr. 70

ASTM A516 Gr. 65 ASME SA516 Gr. 65

ASTM A516 Gr. 60 ASME SA516 Gr. 60

ASTM / ASME A / SA 516 Gr. 60 / 65 / 70 HIC

The A537 / SA537 standard, its full name is “Standard Specification for Pressure Vessel Plates, Heat-Treated, Carbon-Manganese-Silicon Steel”, is intended use in the manufacture of fusion welded pressure vessels and structures.

The material under this specification is available in three classes. Class 1 steel is supplied in the normalised condition and the specification covers plates up to 100 mm (4 inches) in thickness.

ASME SA537 Class 1 / ASTM A537 Class 1 - the specification 

Chemical Requirements

Element Thickness Composition (%) Note
Carbon (max) 0.24 A, B
Manganese 40 mm and under 0.70 - 1.35 A, C
40 mm and under 0.64 - 1.46 B, C
Over 40 mm 1.00 - 1.60 A, C
Over 40 mm 0.92 - 1.72 B, C
Phosphorus (max) 0.035 A, B
Sulphur (max) 0.035 A, B
Silicon 0.15 - 0.50 A
0.13 - 0.55 B
Copper (max) 0.35 A
0.38 B
Nickel (max) 0.25 A, C
0.28 B, C
Chromium (max) 0.25 A
0.29 B
Molybdenum (max) 0.08 A
0.09 B
Tensile Requirements

Mechanical Property Value
Tensile Strength, MPa (ksi) 485 - 620 (70 - 90)
Yield Strength, min MPa (ksi) 345 (50)
Elongation min, % 200 mm (8 in) 18
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