ASTM A202 grade is divided into: A, B, boiler vessel plate is mainly used for welding boilers and other pressure vessels. There are two grades of ASTM A202 boiler vessel steel: Grade A and Grade B. The thickness of ASTM A202 boiler vessel plates is limited to 2in, I .e. 50mm.
Product Parameters
Chemical Composition
|
A202 |
Chemical Element Content(Upper Limit%) |
|||||
|
C |
Si |
Mn |
P |
S |
Cr |
|
|
GradeA |
0.17 |
0.54-0.96 |
0.97-1.52 |
0.035 |
0.035 |
0.31-0.64 |
|
GradeB |
0.25 |
0.54-0.96 |
0.97-1.52 |
0.035 |
0.035 |
0.31-0.64 |

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