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factory price of ASTM A387 Grade 91 steel plates for pressure vessels in China

BBN steel offer low price of ASTM A387 Grade 91 steel plates for pressure vessels in China.
ASTM A387 Grade 91 is in the standard ASTM A-387/A-387M . A387 Grade 91 is a kind of Cr-Mo-alloy steel plates material used to fabric high temperature pressure vessels. A387 have ten grades or levels. They are : grade 2,grade 12,grade 11,grade 22,grade 22L,grade 21,grade 21L,grade 5,grade 9,grade 91.Because of the good property , A387GR11CL1 , A387GR11CL2 , A387GR22CL1 , A387GR22CL2 , A387GR12CL1, A387GR12CL2 are widely used in the high temperature vessels industry.
ASTM A387 Grade 91 steel chemical composition(%) :


Element

C

Mn

P

S

Si

Cr

Analyse

1

2

1

2

1

2

1

2

1

2

1

2

     

Min

0.08

0.06

0.30

0.25

-

-

-

-

0.20

0.18

8.00

7.90

     

Max

0.12

0.15

0.60

0.66

0.020

0.025

0.010

0.012

0.50

0.56

9.50

9.60

     

Element

Ni

V

Nb

N

Al

Mo

Analyse

1

2

1

2

1

2

1

2

1

2

1

2

   

Min

-

-

0.18

0.16

0.06

0.05

0.03

0.025

-

-

0.85

0.80

   

Max

0.40

0.43

0.25

0.27

0.10

0.11

0.07

0.08

0.40

0.50

1.05

1.10

   

ASTM A387 Grade 91 steel Mechanical Properties :


Grade

ASTM A 387 Grade 91

Tensile Strength (MPa)

585-760MPa

Yield Strength (MPa)

415MPa

Elongation (%)

18 %

ASTM A387 Grade 91 steel chief application :
ASTM A387 Grade 91 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.
BBN steel is a professional ASTM A387 and ASTM A387 steel stockist and supplier. BBN steel can supply different product type and steel grades like grade 2, grade 12, grade 11, grade 22, grade 22L, grade 21, grade 21L, grade 5 , grade 9 , grade 91 steel.If you have any need of ASTM A387 or ASTM A387 steel please do not hesitate to contact us.

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