A387 Pressure Vessel Carbon Steel Coil

4
Oct-31/2024

A387 Pressure Vessel Carbon Steel Coil DescriptionASTM A387 Boiler Vessels are chromium molybdenum alloy steel coils, suitable for welding boilers and for high temperature pressure vessels. ASTM A387 boiler vessel coils are classified into grade 5, grade 9, grade 11, grade 12, grade 22 and grade 91



A387 Pressure Vessel Carbon Steel Coil Description

ASTM A387 Boiler Vessels are chromium molybdenum alloy steel coils, suitable for welding boilers and for high temperature pressure vessels. ASTM A387 boiler vessel coils are classified into grade 5, grade 9, grade 11, grade 12, grade 22 and grade 91 according to the alloy elements contained. Except for grades 21L, 22L, 91 and 911, each grade of ASTM A387 boiler vessel coil has two tensile strength categories according to its heat treatment: Class 1 and Class 2.


Product Parameters

Product Name

A387 Pressure Vessel Carbon Steel Coil

Production Process

Hot Rolling, Cold Rolling

Material Standards

AISI, ASTM, ASME, DIN, BS, EN, ISO, JIS, GOST, SAE, etc.

Width

45mm-2200mm

Length

Custom Size

Thickness

Hot Rolling: 2.75mm-100mm
Cold Rolling: 0.2mm-3mm

Delivery Conditions

Rolling, Annealing, Quenching, Tempered or Standard

Surface Process

Ordinary, Wire Drawing, Laminated Film

 

Chemical Composition

A387

UNS

C

Mn

P

S

Si

Cr

Mo

Level 5

S50200

≤ 0.15

0.25-0.66

0.025

0.025

≤ 0.55

3.90-6.10

0.40-0.70

Level 9

K90941

≤ 0.15

0.25-0.66

0.025

0.025

≤ 1.05

7.90-10.10

0.85-1.15

Level 11

K11789

0.04-0.17

0.35-0.73

0.025

0.025

0.44-0.86

0.94-1.56

0.40-0.70

Level 12

K11757

0.04-0.17

0.35-0.73

0.025

0.025

0.13-0.45

0.74-1.21

0.40-0.65

Level 22

K21590

0.04-0.15

0.25-0.66

0.025

0.025

≤ 0.50

1.88-2.62

0.85-1.15

Class 22L

K21590

≤ 0.12

0.25-0.66

0.025

0.025

≤ 0.50

1.88-2.62

0.85-1.15

Class 91

K90901

0.06-0.15

0.25-0.66

0.025

0.012

0.18-0.56

7.90-9.60

0.80-1.10

 

Mechanical Properties

A387

Category

Tensile Strength Mpa

Yield Strength Mpa

Elongation Gauge Length 2in.[50mm]%

Level 5

 

Section Category 1

415-585

205

18

Section Category 2

515-690

310

18

Level 9

 

Section Category 1

415-585

205

18

Section Category 2

515-690

310

18

Level 11

 

Section Category 1

415-585

240

22

Section Category 2

485-620

310

22

Level 12

 

Section Category 1

380-550

230

22

Section Category 2

450-585

275

22

Level 22

 

Section Category 1

415-585

205

18

Section Category 2

515-690

310

18

 

Physical Performance

Physical Performance

Metric

Imperial

Density

7.7-8.03 g/cm3

7.7-8.03 g/cm3

 

Scope of Application

The molybdenum composition in ASTM A387 boiler vessel plate can improve its tensile strength at high temperature, and make it have higher oxidation and corrosion resistance by increasing the lattice strain. ASTM A387 Boiler Container Plates are ideal for use in heat-resistant pressure vessels and sour gas environments.

 

Equivalent Material

American Standard ASTM

European Standard ASME

German Standard EN 10028

English standard DIN

Legal standard BS

Russian standard AFNOR 36206

A387 5

SA387 5

X12CrMo5

-

-

-

A387 9

SA387 9

-

-

-

-

A387 11

SA387 11

13CrMoSi5-5

-

621B

-

A387 12

SA387 12

13CrMo4-5

13CrMo44

620B

15CD2.05

A387 22

SA387 22

10/11CrMo9-10

10CrMo9-10

622-515B

12CD9-10

A387 91

SA387 91

10CrMoVNb9-1

-

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