ASTM A387 Grade 11 Class 1 Steel

ASTM A387 Gr 11 Class 1 is a chromium molybdenum alloy steel plate intended primarily for welded boiler and pressure vessels, A387 Grade 11 Class 1 max thickness of plates is limited only by the capacity of the composition to meet specified mechanical property requirements.

ASTM A387 Grade 11 Class 1 Steel Dimension:

Thickness: 1.5mm -260mm;Width: 1000mm-4000mm;Length: 1000mm-18000mm

ASTM A387 Grade 11 Class 1 Steel Chemical Composition(%) :

Material ASTM A387 Grade 11 Class 1 Plates Chemical Composition

Grade

The Element Max (%)

C

Si

Mn

P

S

Cr

Mo

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

Note : 1 means Heat analyse ; 2 means Product analyse.

ASTM A387 Grade 11 Class 1 steel Mechanical Properties :

Grade

Material ASTM A387 Grade 11 Class 1 Plates Mechanical Property

Thickness

Yield

Tensile

Elongation

A387 Gr.11 Cl.1

mm

Min Mpa

Mpa

Min  %

t≦50

240

415-585

22

50<t≦200

240

415-585

19

ASTM A387 Grade 11 Class 1 pressure vessel steel is widely used in petroleum, chemical industry, power station, boiler, etc, used to make the reactor, heat exchanger, separator, spherical tank, liquefied gas, nuclear reactor pressure vessel, boiler steam drum steam, liquefied petroleum, hydropower station, high pressure pipe.

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