Models of steel pipes

Tensile strengthMPa

Yield strengthMPa

Elongation

20

390min

245min

20min

45

590min

335min

14min

16Mn(Q345B)

490min

325min

21min

Models of steel pipes

C

Si

Mn

P

S

Cu

Ni

Cr

20

0.17-0.24

0.17-0.37

0.35-0.65

0.035max

0.035max

0.25max

0.25max

0.25max

45

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

Others

1. Special design available according to requirement
2. anti-corrosion and high-temperature resistant with black painting
3. All the production process are according to the ISO9001:2000 strictly