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

Seamless Pipe

Type

Seamless Pipe

Size

1/2"-24"

Wall thickness

Sch5-Sch160XXS

Standard

ASME B36.10M-1996 ,API ,ANSI ,GB, SH,HG, MSS,JIS,DIN

Material

ASTM A106 GRB/ A53 GRB/ API 5L GRB/ API 5 CT /Q345/A335/ST37/ST52

Packaging

painting black, pipe cap, steel strips bundled.

Applications range

 petroleum, construction ,shipbuilding,smelting, aviation, power, foodstuff, papermaking, chemical, medical equipment, boiler heat, exchanger, gas metallurgy, etc.

Min Order Quantity

5 tons

Delivery Time

25 days after conformed

Quality

First grade

Productivity

80000 tons per year

Others

1.Special design available according to requirement

2.anti-corrosion and high-temperature resistant with black painting

3. All the production process are made under the ISO9001:2000 strictly.

Kewords:seamless pipe,steel pipe,carbon steel seamless pipe