Name:RECTANGULAR STEEL PIPE(HOLLOW SECTION)Steel grade:Q195,Q345B,Q235B,X52,X56,X60,X70,H40,J55,K55,S235JRH,S275JOH,S355JOH,etc.Outer diameter:20×40-400×200mmWall thickness:1.2~14 mmLength:6m,12m, or as customers requirementExecutive standard:ASTMA312-2...
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steel pipe, structural steel, steel sheet and coil, pipe fitting...
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