ASTM A387 Gr 12 CL 2 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%.
Each grade except grade 21L, Grade 22L, Grade 91 and Grade 911 is available in two classes of tensile strength levels. Grade 91 and Grade 911 are available only as Class 2.
A387 GRADE 12 CLASS 2 Steel dimension:
Thickness: 6MM to 300MM,
Width: 1500mm to 4050mm,
Length: 3000mm to 15000mm
A387 Gr.12 CL.2Chemical Composition |
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Grade |
The Element Max (%) |
||||||
C |
Si |
Mn |
P |
S |
Cr |
Mo |
|
A387 Gr.12 Cl.2 |
0.04-0.17 |
0.13-0.45 |
0.35-0.73 |
0.035 |
0.035 |
0.74-1.21 |
0.40-0.65 |
Carbon Equivalent: Ceq = 【C+Mn/6+(Cr+Mo+V)/5+(Ni+Cu)/15】%
Grade |
||||
Thickness |
Yield |
Tensile |
Elongation |
|
A387 Gr.12 Cl.2 |
mm |
Min Mpa |
Mpa |
Min % |
t≦50 |
275 |
450-585 |
22 |
|
50<t≦200 |
275 |
450-585 |
19 |
Offer A387 GRADE 12 CLASS 2 chromium molybdenum alloy steel plate stock,As with all our steels, our A387 GRADE 12 CLASS 2 chromium molybdenum alloy steel plate come with mill test certification and stampings and we can arrange for a variety of tests to be performed on the material if specified. Alternatively, the customer can arrange testing via a third party testing house.
Pre: Supply EN 10025-5 S 235J0W atmospheric corrosion resistant steel