The ASTM A537 specification is the Standard Specification for Pressure Vessel Plates, Heat-Treated, Carbon-Manganese-Silicon Steel used in the applications of fusion welded pressure vessels and structures. Typical applications are pressure vessels designed for moderate and lower-temperature service requiring excellent notch toughness.
The chemical composition of ASTM A537 Class 1 Carbon Steel Plate are summarised in the following table.
| Grade | C | Si | Mn | P | S | Cr | Mo | Ni | Cu | |
|---|---|---|---|---|---|---|---|---|---|---|
| ≤ 40 mm | > 40 mm | |||||||||
| A537 Class 1 | 0.24 | 0.15/0.50 | 0.70/1.35 | 1.00/1.60 | 0.035 | 0.035 | 0.025 | 0.080 | 0.25 |
0.35 |
The required mechanical properties are tabulated below:
|
Grade |
Yield strength |
Tensile strength |
Elongation in 2" |
Elongation in 8" |
|---|---|---|---|---|
|
A537 Class 1 |
50 |
70 - 90 |
22 |
18 |
Applications:
ASTM A537 steel plates are commonly used in:
Construction of pressure vessels for the oil and gas industry.
Manufacturing of industrial storage tanks and equipment.
Structural applications where high strength and toughness are required, particularly in severe environments.
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