
ASTM A537 Class 1 Steel Plates are engineered to be used in pressure vessel applications. ASTM A537 Class 1 steel plates shall be normalized in all of thickness. The material of ASTM A537 Class 1 is a normalised steel which is heat treated and as a consequence displays greater yield and tensile strength than the more standard ASTM A516 grades.
ASTM A 537 steel material usual be serviced the Gas, Petrochemical and Oil industry.

| Standard Sizes | ||
| Thicknesses | : | 6mm to 300mm |
| Widths | : | 1000mm to 4050mm |
| Lengths | : | 3000mm to 18000mm |
Application : All these ASTM A537 Class 1 carbon steel plates are used in pressure vessel applications.
| Grade | Thickness (mm) | Chemical composition %. | ||||||||
| C. max | Si | Mn | P. max | S. max | Cu. max | Ni. max | Cr. max | Mo. max | ||
| A537CL 1 | 6.00-38.10 38.11-50.80 |
0.24 | 0.15-0.50 | 0.70-1.35 1.00-1.60 |
0.035 | 0.035 | 0.35 | 0.25 | 0.25 | 0.08 |
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