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 ：Handan，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