ASTM A387 Grade 12 Class 2 chromium molybdenum Alloy steel plates has the ability to provide low temperature impacting test, normalizing for thick plates over 40mm, simulated post-welded heat treatment (PWHT), rolling under standard NACE MR-0175 (HIC+SSCC), Issued Orginal Mill test certificate under EN 10204 FORMAT 3.1/3.2, cutting and welding as per end user's demands etc service.
STEEL DIMENSION:
Thickness: 6MM to 300MM,
Width: 1500mm to 4050mm,
Length: 3000mm to 15000mm
A387 Gr.12 CL.2 Chemical Composition
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A387 Gr.12 CL.2 Chemical 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.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】%
A387 Gr.12 CL.2 Mechanical Property
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Grade |
A387 Gr.12 CL.2Mechanical Property |
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Thickness |
Yield |
Tensile |
Elongation |
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A387 Gr.12 Cl.2 |
mm |
Min Mpa |
Mpa |
Min % |
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t≦50 |
275 |
450-585 |
22 |
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50<t≦200 |
275 |
450-585 |
19 |
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Equivalent steel grade of A387 Gr.12 Cl.2 |
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Europe |
Belgium |
Germany |
France |
Italy |
Sweden |
India |
Japan |
U.K |
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621 gr. A,B |
ASTM A387 Grade 12 Class 2/A387GR12CL2 chromium molybdenum alloy steel plates are intended primarily for welded boiler and pressure vessels designed of elevated temperature service. The ASTM A387 Grade 12 Class 2/A387GR12CL2 steelare used in oil, chemical, power plant, boiler and other industries to make reactor, heat exchanger, separator, spherical tank, oil tank, liquefied gas tank, pressure shell of nuclear reactor, boiler drum, liquefied petroleum steam bottle, high pressure water pipe of hydropower station, turbine volute and other equipment and components.
