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ASTM A387 steel plate for pressure vessels

ASTM A387 steel plate for pressure vessels

ASTM A387 steel plate for pressure vessels

Standard:ASTM A387/A387 M

Steel grade: A387 Gr 5,9,11,12 and 22 Class 1 and 2

ASTM A387 main description:
ASTM A387 steel plate specification covers molybdenum alloy, intended particularly of welded boilers and others pressure vessels steel plate in A387 Gr 5, A387 Gr 9 ,A 387 Gr 11,A387 Gr 12 and A387 Gr 22.

ASTM A387 steel plate Chemical Composition (% ) :

Grades

C
max

Mn
max

Si
max

Mo
max

Su
max

Ch

max

P

max

A387gr5

0.15

0.25-0.66

0.55

0.40-0.7

0.030

3.9-6.1

0.035

A387gr9

0.15

0.25-0.66

1.05

0.85-1.15

0.030

7.9 – 10.1

0.030

A387gr11

0.04-0.17

0.35-0.73

0.44-0.86

0.40-0.7

0.035

0.94 – 1.56

0.035

A387gr12

0.04-0.17

0.35-0.73

0.13-0.45

0.4-0.65

0.035

0.74 – 1.21

0.035

A387gr22

0.04-0.15

0.25-0.66

0.5

0.85-1.15

0.035

1.88 – 2.62

0.035

ASTM A387 steel plate Mechanical Properties:

Grade

A 387 Grade 5

A 387 Grade 9

A 387 Grade 11

A 387 Grade 12

A 387 Grade 22

Class

Class 1

Class 2

Class 1

Class 2

Class 1

Class 2

Class 1

Class 2

Class 1

Class 2

Tensile Strength (ksi)

60-85

75-100

60-85

75-100

60-85

70-90

50-80

65-85

60-85

75-100

Tensile Strength (MPa)

415-585

515-690

415-585

515-690

415-585

485-620

380-550

450-585

415-585

515-690

Yield Strength (ksi)

30

45

30

45

35

45

33

40

30

45

Yield Strength (MPa)

205

310

205

310

240

310

230

275

205

310

Elongation in 200mm (%)

19

18

18

19

Elongation in 50mm (%)

18

18

18

18

22

22

22

22

18

18

ASTM A387 steel chief application :
ASTM A387 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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