double-side submerged-arc welded pipes
Negotiable
Min.Order:6
Cangzhou Fixed Star Steel Co.,Ltd
specificaton: :φ17--φ1200
Standard:GB/T3091-2001,GB/T9711.1-1997,API5L,API5CT,ASTMA106,ASTMA53,BS1387-1985
Material: Q195,Q215,Q235,Q345,A106,A36.
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