When rolling ASME SA302 Grade B /SA302 GRB pressure vessel steel plate ,the heat treatment shall be Normalized, if the end user demands. ASME SA302 Grade B /SA302 GRB pressure vessel steel plate is a kind of Ni alloy steel products.ASME SA302 Grade B /SA302 GRB pressure vessel steel plate is used in fabricators serving industry,especially in the oil,gas and chemical supply markets. such as petroleum,chemical industry,power plants.
1.High tension test
2.Low temperature impacting test
3.Simulated post-welded heat treatment (PWHT)
4.Rolling under standard NACE MR-0175 (HIC+SSCC)
5.Issued Orginal Mill test certificate under EN 10204 FORMAT 3.1/3.2
6.Shot blasting and Painting,Cutting and welding as per end user’s demands
Grade | Chemical Composition(%) | ||||
C | Mn≥ | Si | P | S | |
SA302 Grade B(SA302 GRB) | 0.20 | 1.07-1.62 | 1.07-1.62 | 0.035 | 0.035 |
Grade | Mechanical Property | ||||
Tensile Strength(MPa) | Yield Strength(MPa) | % Elongation in 2 in.(50mm) min | Impacting Test Temperature(°C) | ||
SA302 Grade B(SA302 GRB) | 550-690 | 345 | 18 | -20,40,-60 |
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