... square PIPE: 1) thickness:0.5-20mm 2) size:15X15-600X600mm 3) Length:3-12m 4) Material:Q195,Q235,Q345 ERW PIPE: ... ) 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 ... Tubing,Forniture tube,For water,Gas Severage MS Square Pipe