

Pressure vessel steel plate A537CL1 need Normalized heat treatment.Boiler steel plate A537CL1 with carbon-manganese-silicon steel plate intend for fusion welded pressure vessels and structures.For the steel plates thickness equal and under 65mm,SA537 Class 1 owned minimum yield strength at 345 Mpa,and tensile strength within 485-620 Mpa.Ultrasonic examination for boiler steel plate A537CL1 is necessary technical requirement when rolling,the end users can choose from A435/A435M,A577/A577M and A578/A578M.
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Other relative pressure vessel steel grades under steel standard ASTM and ASME are S/A203 Grade A boiler steel plate,S/A203 Grade B steel plate,S/A203 Grade D alloy steel plate,S/A203 Grade E pressure vessel steel plate,S/A203 Grade F steel plate,S/A204 Grade A boiler steel plate,S/A204 Grade B pressure vessel steel plate,S/A204 Grade C steel plate,S/A285 Grade A steel sheet,S/A285 Grade B boiler steel plate,S/A285 Grade C pressure vessel steel plate,S/A299 Grade A boiler steel plate,S/A299 Grade B steel plate,S/A302 Grade A alloy steel plate,S/A302 Grade B steel plate,S/A302 Grade C boiler steel plate,S/A302 Grade D pressure vessel steel plate.
Chemical composition of Ladle analysis for A537 Class 1 pressure vessel steel plate (Max %)
A537 CL1 |
S |
Cu |
Ni |
Cr |
Mo |
0.035 |
0.38 |
0.28 |
0.29 |
0.09 | |
Thickness |
C |
Si |
Mn |
P |
|
T≤40 |
0.24 |
0.13/0.55 |
0.64/1.46 |
0.035 |
|
T>40 |
0.92/1.72 |
|