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A387 Gr11 Cl1 Boiler steel plate

A387 Grade 11 CL1 boiler steel plate are under steel specification standard ASTM A387/A387M for pressure vessel steel plates, alloy steel with Chromium-Molybdenum.

Steel plate A387 Gr11 CL1 intended primarily for welded boilers and pressure vessels & tanks. Rolling maximum thickness of plates is limited only by the capacity of the composition to meet the specified mechanical property requirements. 

A387 Grade 11 CL1 Chemical Composition:

Grade

Standard

C

Mn

S

P

Si

A387Gr11CL2

A387/A387M

0.04-0.17

0.35-0.73

0.035

0.035

0.44-0.86

A387 Grade 11 CL1 Mechanical Property:

Grade

Tensile strength, ksi [MPa]

Yield strength, min, A ksi [MPa]

Elongation in 8 in. [200 mm], min, %B

Elongation in 2 in. [50 mm], min, %B

A387Gr11CL2

60 to 85 [415 to 585]

35 [240]

19

22

A387 Grade 11 CL1 Application:
A387 Grade 11 CL1 specification covers chromium-molybdenum alloy steel plates intended primarily for welded boilers and pressure vessels designed for elevated temperature service.

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