... .0-4.5 3.0 and above1)Standard:GB, JIS, DIN, EN,ASTM2)Material: Q195,Q235,Q345,SS400,A36,S235JR3)Delivery date ... )length:max 12 meters4)standard:GB,ANSI,ASME,ASTM,JIS,DIN,BS,EN5)steel grade:Q195/Q235/Q345/10#/20#/ASTM ... are always our commitment. Our Certificate: Our products: GB,JIS,EN and DIN hot dip galvanized steel pipe