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SS400 Q235 Q345 Q460 A572 Gr.50 Anti Corrosion Pipe Specification: Commodity LSAW steel pipe Outer diameter ERW / HFW LSAW / DSAW SSAW RHS 1/8 - 26 inch 12 - 56 inch (323.8 - 1,420mm) 8 - 126 inch 40 ...