Carbon Steel Pipe 

Item

Round(mm)

Square(mm)

Rectangular(mm)

OD

219- 660(8''-26'')

150*150-400*400

150*50-300*500

WT

6-70

6-26

4-26

Length

1.0-5.8/6/12m or other nonstandard size

Thickness Tolerance

+ 5%-

MOD

5 tons

Devivery

15-20 days after receive your 30% deposits.

Usage

Special  size,welcome to order
Widely used in structure,  Automobile, Ornamental,  Sport equipment, Basic engineering construction projects such as Water supply and sewerage, sewage treatment, power supply, telecommunication and environmental sanitary.

Grade

C

Mn

Si

S

P

UTS(MPa)

YS(MPa)

EI(%)

Q235B

0.12-0.20

0.30-0.70

0.30

0.045

0.045

375-500

235

26

Q345B

0.12-0.20

1.20-1.60

0.20-0.55

≤0.045

≤0.045

510-600

345

22

20#(GB)

0.17-0.23

0.38-0.65

0.17-0.37

≤0.030

≤0.030

410-550

≥245

≥20