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ASTM A387/A387M Gr22 Cl2 Boiler steel plate
ASTM A387/A387M Gr22 Cl2 Boiler steel plate
A387 Gr22 cl2 steel size:
Thickness: 6mm-300mm
Width: 1500mm-4200mm
Length: 3000mm-18000mm
A387 Gr22 CL2 boiler steel plate is under steel standard specification ASTM A387/A 387M for pressure vessel steel plates with alloy Cr.
A387 Gr.22 CL.2 Chemical Composition:
|
Grade |
The Element Max (%) |
||||||
|
C |
Si |
Mn |
P |
S |
Cr |
Mo |
|
|
A387 Gr.22 Cl.2 |
0.04-0.15 |
0.50 |
0.30-0.60 |
0.035 |
0.035 |
1.88-2.62 |
0.85-1.15 |
Carbon Equivalent: Ceq =【C+Mn/6+(Cr+Mo+V)/5+(Ni+Cu)/15】%
A387 Gr.22 CL.2 Mechanical Property:
|
Grade |
Mechanical Property |
|||
|
Thickness |
Yield |
Tensile |
Elongation |
|
|
A387 Gr.22 Cl.2 |
mm |
Min Mpa |
Mpa |
Min % |
|
t≦50 |
310 |
515-690 |
18 |
|
|
50<t≦200 |
- |
- |
- |
|
And Pressure vessel steel plate A387 Grade 22 CL2 is mainly intend for welded boilers and pressure vessels designed for elevated temperature services.