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How about the steel chemical composition of ASTM A387 Grade 11 steel plates ?
A387 Grade 11 Cr-Mo-alloy steel plates,A387 Grade 11 high temperature pressure vessels

Question :How about the steel chemical composition of ASTM A387 Grade 11 steel plates ?

Answer:

ASTM A387 Grade 11 steel chemical composition(%) :

Element

Mn

P

S

Cr

Mo

Analyse

1

2

1

2

1

2

1

2

1

2

1

2

1

2

Min

0.05

0.04

0.40

0.35

-

-

-

-

0.50

0.44

1.00

0.94

0.45

0.40

Max

0.17

0.17

0.65

0.73

0.035

0.035

0.035

0.035

0.80

0.86

1.50

1.56

0.60

0.70

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

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