Specification：

OD:21-610mm     WT:1-80mm
Length:5-12m as requirement

Main steel grades is for line pipe:  grade B, X42, X52, X60, X65, X70, X80

The standard of pipeline ：

API SPEC 5L, ISO3183, GB/T9711.2
Application：Using transportation for petroleum, the oxygen of gas industry, water and oil etc.

The Tolerance Of Size:

Mechanical Properties:

Chemical Compositions: