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A387 Grade 11 steel plate

A387 Grade 11 steel plate

A387 Grade 11 is American ASTM standard steel plate, ASTM A387 / A387M pressure vessel with chrome molybdenum alloy steel plate, this standard applies to work under high temperature welding boiler and pressure vessel chromium molybdenum alloy steel plate.

Standard: ASTM A-387/A-387M
Dimension range :1.5mm -260mm x 1000mm-4000mm x 1000mm-18000mm

A387 Grade 11 steel plate/sheet Mechanical Properties

Mechanical Properties

Grade

Thickness

Yield
Strength

Tensile Strength

Elongation

Charpy V Notch Impact Test

Degree

Min Value

A387 Grade 11

mm

Min Mpa

Mpa

Min %

-

J

5≤t≤50

240

415-585

22

-

50≤t≤200

240

415-585

19

 

-

Note: Impact energy for impact test is on longitudinal

A387 Grade 11 Boiler steel plate Chemical Composition :

Chemical Composition

Grade

The Element Max (%)

C

Si

Mn

P

S

Cr

Mo

A387 Grade 11

0.04-0.17

0.44-0.86

0.35-0.73

0.035

0.035

0.94-1.56

0.40-0.70

B

Zr

 

 

 

 

 

-

-

 

 

 

 

 

Delivery Status : Annealing, Normalizing + tempering

ASTM A387 Grade 11 steel plate application :
ASTM A387 Grade 11 steel plate is mainly used in oil, chemical, power station, boiler and other industries, for the production reactor, heat exchanger, separator, spherical tank, oil tank, liquefied gas tank, nuclear reactor pressure shell, boiler drum, Liquefied petroleum gas cylinders, high-pressure water pipes, water turbines and other equipment and components.

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