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ASME SA387 Grade 91 steel plates for pressure vessels

ASME SA387 Grade 91 steel plates for pressure vessels

ASME SA387 Grade 91 is in the standard ASME SA-387/SA-387M .SA387 Grade 91 is a kind of Cr-Mo-alloy steel plates material used to fabric high temperature pressure vessels. SA387 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 , SA387GR11CL1 , SA387GR11CL2 , SA387GR22CL1 , SA387GR22CL2 , SA387GR12CL1, SA387GR12CL2 are widely used in the high temperature vessels industry.

Key words:SA387 Grade 91,ASME SA387 Grade 91,SA387 Grade 91 steel plates,SA387 Grade 91 Cr-Mo-alloy steel plates, ASME SA387 Grade 91 steel plates for fabric high temperature pressure vessels.

ASME SA387 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

ASME SA387 Grade 91 steel Mechanical Properties :

Grade

ASMESA387Grade91

TensileStrength(MPa)

585-760MPa

YieldStrength(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.

Shanghai Royal Industry is a professional ASME SA387 and ASTM A387 steel stockist and supplier. We 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 ASME SA387 or ASTM A387 steel please do not hesitate to contact us .

Related link :ASME SA387 Grade 2 ,ASME SA387 Grade 12 ,ASME SA387 Grade 22 ,ASME SA387 Grade 11 , ASME SA387 Grade 22L ,

 ASME SA387 Grade 21 , ASME SA387 Grade 21L , ASME SA387 Grade 5 , ASME SA387 Grade 9 ,ASME SA387

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