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A387 Gr11 Gr12 Gr22 steel equivalent chemical composition and mechanical properties

A387 Gr11 Gr12 Gr22 steel equivalent chemical composition and mechanical properties

A387 Gr5 Gr9 Gr11 Gr12 Gr22 steel is a chrome molybdenum carbon alloy steel pressure vessel plate mainly used in high temperature application. The ASTM A387 Gr 12 plate material have added chromium which is good for corrosion and oxidation resistance making it first choice for sour service applications in the oil and gas industry.

A387 Gr11 Gr12 Gr22 steel equivalent 16Mo3 plates chemical composition and mechanical properties


Specification

Chemical Max

Mechanical MPA, min

 

C

Min

Si

S

P

Cr

Mo

Ni

Cu

Tensile

Yield

% EL

Bend

Max

Max

Max

Max

Max

Max

Max

Max

Max

 

 

 

 

 

 

 

 

 

 

 

 

  50     GL  

50 GL

 

ASTM A 387

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Gr11 - CI2

0.17

0.4

0.5

0.04

0.035

1

0.45

---

---

515

310

22

18

---

0.65

0.8

1.5

0.65

690

Gr12 - Cl2

0.17

0.4

0.15

0.04

0.035

0.8

0.45

---

---

450

275

22

19

---

0.65

0.4

1.15

0.6

585

Gr5 - Cl2

0.15

0.3

0.5

0.035

0.035

4

0.45

---

---

515

310

18

---

---

0.6

6

0.65

690

Gr22 - Cl2

0.15

0.3

0.5

0.035

0.035

2

0.9

---

---

515

310

18

---

---

0.6

2.5

1.1

690

ASTM A 204

0.2

0.9

0.15

0.04

0.035

---

0.45

---

---

485

275

21

17

2T

Grade B

0.4

0.6

620

16Mo3

0.12

0.4

0.35

0.025

0.03

0.3

0.25

0.3

---

440

275

24

---

Impact :+20C / 3

0.2

0.9

0.35

590

If you are looking to buy from A387 Grade 12 suppliers in China then contact BBN Steel Industries for latest Price. The A387 alloy steel Grade 12 plates we are supplying can be used in elevated temperature service.

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