... Bar 1.Grade: 200.300.400 series 2.Size: many size according 3.Surface:cold ... 1.stainless steel channel bar 2.Grade: 200.300.400 series 3.Size: many size according ... 4.Surface:cold polished,pickled,etChannel Steel BarPlace of Origin: ChinaFeatures: 1) Specification: 5#---40 # 2 ... on your requirements.3) Steel grade: EN ST37-2, ST52, S235JR, S355JRJIS SS330, SS400ASTM A36, ...