... ) Length:3-6m 4) Material:Q195,Q235,Q345 ERW PIPE:1) Materials can be altered to meet customers' ... ) Rectangle Section,20x10mm-400x200mm6) Seamless pipe: from 1in to 12in7) Galvanized pipe,pre galvanized hot rolled or hot ... dipped Zinc-coated for round,equal,rectangle steel pipe.8) Producing: Seamless,Welded,hot rolled,pre glavanized ... Structural Tubing,Forniture tube,For water,Gas Severage ERW Pipe