Specifications

The products are applicable for mechanical processing ,oil industry,transportation and construction.

Name of product:  hot rolled carbon seamless steel pipe

Material:  20#

OD:90-180MM

Wall thickness:4.5-30mm

Length: randomly or according to the requirement

Applied for mechanical processing,oil industry,transportation and construction

Mechanical properties:(20#).             45#                        16Mn(Q345B)

Tensile strength:390 min                  590min                    490min

Yield strength:245min                      335min                     325min

Elongation(%):20min                       14min                       21min

Chemical component:

C:0.17-0.24                                     0.42-0.50                0.12-0.20

Si:0.17-0.37                                     0.17-0.37               0.20-0.55

Mn:0.35-0.65                                   0.50-0.80                1.20-1.60

P:0.35max                                      0.35max                  0.35max

S:0.35max                                      0.35max                   0.35max

Cu:0.25max                                    0.25max                   0.25max

Ni:0.25max                                     0.25max                   0.25max

Cr:0.25max                                     0.25max                  0.25max