API 5L GR-B Seamless Steel Tube

Company Name

Shandong Zhongzheng Steel pipe Manufacturing Co.,Ltd

Business Type

Manufacturer and trading company

Product Description

Seamless Steel Pipe

Specification    OD 20mm—377mm,WT 2mm—80mm.The length can be random,range fixed or fixed length.

Chinese Standard

American Standard

German Standard

10#

A53-A

St37

DIN1626

A106-A

St37-2

DIN17175

A179-C

St35-8

DIN17175

20#

ASTM A106-B

St45-8

DIN17175

ASTM A53-B

St42-2

DIN1626

ASTM 178-C

St45-4

DIN1629/4

45#

ASTM A 1045

CK45

16Mn

A210-C

St52

DIN1629/3

St52.4

DIN1629/4

37Mn5

J55

OD

20mm--377mm;  1/2’’—20’’

WT

2mm--80mm;  SCH40-XXS

Packing

Black paint or varnish ,plastic caps with the both ends

Payment

30%TT +70%TT,30%TT+70%LC

Delivery Time

Within 30 days

Contact

86-15863522053    

Material

mechanical property

chemical composition(percentage)

yield strength

tensile strength

elongation

C

Si

Mn

S

P

Ni

Cr

Cu

MPa

MPa

no more than

no more than

no more than

no more than

no more than

no more than

ASTMA106 GR.B

Chinese

20#

275

353-500

25

0.17-0.23

0.17-0.37

0.35-0.65

0.035

0.035

0.30

0.25

0.25

Material

mechanical property

chemical composition(percentage)

yield strength

tensile strength

elongation

C

Si

Mn

S

P

Ni

Cr

Cu

MPa

MPa

   %

no more than

no more than

no more than

no more than

no more than

Chinese 16Mn (equal to ST52)

320

490-670

21

0.13-0.19

0.20-0.60

1.2-1.6

0.030

0.030

0.30

0.30

0.25

Material

mechanical property

chemical composition(percentage)

yield strength

tensile strength

elongation

C

Si

Mn

S

P

Ni

Cr

Cu

MPa

MPa

   %

no more than

no more than

no more than

no more than

no more than

CK45 

45#

355

600

16

0.42-0.50

0.17-0.37

0.50-0.80

0.035

0.035

0.30

0.30

0.20

Models of Steel Pipes

Chemical Component

Steel 20

 (ASTM A106B)

C

Si

Mn

P

S

Cu

Ni

Cr

0.17~0.24

0.17~0.37

0.35~0.65

0.035max

0.035max

0.25max

0.25max

0.25max

Steel45 (ASTM 1045)

0.42~0.50

0.17~0.37

0.50~0.80

0.035max

0.035max

0.25max

0.25max

0.25max

16Mn(Q345B)

0.12~0.20

0.20~0.55

1.20~1.60

0.035max

0.035max

0.25max

0.25max

0.25max

45Mn2 ( ASTM1345)

0.42~0.49

0.17~0.37

1.40~1.80

0.035max

0.035max

0.3max

0.3max

0.30max