A387Gr.12 steel plate, A387Gr.12 steel plate size
A387Gr.12 steel is a chromium molybdenum alloy steel plate intended primarily for welded boiler and pressure vessels designed of elevated temperature service. The Cr content 1.00% and the Mo content 0.5%.
Grade |
The Element Max (%) |
||||||
C |
Si |
Mn |
P |
|
Cr |
Mo |
|
A387 Gr.12 |
0.04-0.17 |
0.13-0.45 |
0.35-0.73 |
0.035 |
0.035 |
0.74-1.21 |
0.40-0.65 |
A387 Gr.12 Mechanical Property:
Grade |
Thickness |
Yield |
Tensile |
Elongation |
A387 Gr.12 |
mm |
Min Mpa |
Mpa |
Min % |
t≦50 |
275 |
450-585 |
22 |
|
50<t≦200 |
275 |
450-585 |
19 |
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