alloy ASTM A106GR.B seamless steel pipe

Standard: JIS, GB, DIN, ASTM, API

Standard: JIS G3454-2007, JIS G3455-2005, GB/T ...

Grade: 10#-45#, 16Mn, ST35-ST52, Q195-Q345

Grade: 20#, 45#, 16Mn, St52, St42, Q345, Q195, ...

Thickness: 4 - 70 mm

Section Shape: Round

Outer Diameter: 25 - 325 mm

Place of Origin: China (Mainland)

Secondary Or Not: Non-secondary

Application: Fluid Pipe

Technique: Hot Rolled

Certification: API

Surface Treatment: paint

Special Pipe: API Pipe

Alloy Or Not: Non-alloy

ASTM: 20#

ISO: black

Standard

grade

chemical composition(%)

C

Si

Mn

P

S

Cu

Ni

Mo

Cr

DIN 17175

ST37

ST35.8 

0.07~0.14

0.17~0.37

0.35~0.65

≤0.035

≤0.035

≤0.25

≤0.25

/

≤0.15

ASTM A106

ASTM A53

API  5L

B

0.17~0.24

0.17~0.37

0.35~0.65

≤0.035

≤0.035

≤0.25

≤0.25

/

≤0.25

DIN 17175

ST42

ST45 

0.42~0.50

0.17~0.37

0.50~0.80

≤0.035

≤0.035

≤0.25

≤0.25

/

≤0.25

DIN 1629

Q345

ST52 

0.12~0.20

0.20~0.55

1.20~1.60

≤0.035

≤0.035

≤0.25

≤0.25

/

≤0.25