polyethylene anti corrosion steel pipe 1 OD:32----664mm 2 Thickness:2.5-----75mm 3 surface: galvanized ,coated polyet nemespiral anti-corrosion tube material of the steel 20# .45# ,Q235 ,Q345 or as your requirement Size OD:32----664mm Thickness:2.5-----75mm surface galvanized ,coated polyethylene Application used for conveying water ,petroleum,gas ,or other fluid payment t/t L/C