A387 Grade 11 Class 1 is a chromium molybdenum Alloy steel plates intended primarily for welded boiler and pressure vessels designed of elevated temperature service. A387 Grade 11 Class 1 which mo fine grain strengthening and improving the stability of tempering effect, Cr is the role of solid solution strengthening and improving the corrosion resistance of steel.
STEEL DIMENSION:
Thickness: 6MM to 300MM,
Width: 1500mm to 4050mm,
Length: 3000mm to 15000mm
A387 Gr.11 CL.1 Chemical Composition
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A387 Gr.11 CL.1Chemical Composition |
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Grade |
The Element Max (%) |
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C |
Si |
Mn |
P |
S |
Cr |
Mo |
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A387 Gr.11 Cl.1 |
0.04-0.17 |
0.44-0.86 |
0.35-0.73 |
0.035 |
0.035 |
0.94-1.56 |
0.40-0.70 |
Carbon Equivalent: Ceq = 【C+Mn/6+(Cr+Mo+V)/5+(Ni+Cu)/15】%
A387 Gr.11 CL.1 Mechanical Property
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Grade |
A387 Gr.11 CL.1Mechanical Property |
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Thickness |
Yield |
Tensile |
Elongation |
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A387 Gr.11 Cl.1 |
mm |
Min Mpa |
Mpa |
Min % |
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t≦50 |
240 |
415-585 |
22 |
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50<t≦200 |
240 |
415-585 |
19 |
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Equivalent steel grade of A387 Gr.11 Cl.1 |
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Europe |
Belgium |
Germany |
France |
Italy |
Sweden |
India |
Japan |
U.K |
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621 gr. A,B |
Application
ASTM A387 Grade 11 Class1(A387GR11CL1) Pressure Vessel And Boiler Steel Plate are used in Pressure Vessel,Boiler,Storage Tanks and Heat Exchanger in Oil,Gas Project.
