Standard: GB6728-2017, ASTM A500 GRADE A, B,C, EN10219 Grade: Q235B,Q355B,SS400, S235JR,S275JR, S275J0R, S275J2R, S355JR,S355J0R, S355J2R Thickness: 1.2mm-18mm Section Shape: Square and Rectangle Place of Origin : Handanï¼?Hebei , China Outer Diameter: 20X20-300X300 & 20X40-400X200 Technique: ERW Certification : CE, SIREM ,ISO Application: Structure pipe Surface Treatment: Hot dipped galvanized or Oil or Black painting/Lacquer Packaging&Deliver Packaging Details : Bundle Delivery Detail : bulk or container
