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Outer Diameter
20MM-600MM
Wall thickness
2MM-50MM
Length
6M,9M,12M
Grade
A53B, A106B, API 5L B,X42,X46,X52,X60, X65 Q235B, 20#, Q345B
Pipe End
Thread,Coupling,Cap
CREDIT STEEL INDUSTRIAL has 4 factorys, which located in Tianjin city and Heibei province, boasts its more than 500 staffs; professional technicians more than 100 people; owned 12 advanced production lines, full of inspection equipments and supporting energy saving facilities.
ERW Steel Pipe/Carbon Steel Pipe/Black Steel Pipe Product market development trend, prospect Since the 1930s, with the rapid development of high-quality strip continuous rolling production and the progress of welding and inspection technology, the quality of welds has been continuously improved, and the variety specifications of welded steel pip