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A387 GRADE 12 CLASS 2 chromium molybdenum alloy steel plate

A387 GRADE 12 CLASS 2 chromium molybdenum alloy steel plate

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

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

A387 Gr.12 CL.2Mechanical Property

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.

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