Supply angle, flat, channel, straight bar, plain steel bars, square bar, hexagon bars. CommodityMaterial Size Unit Angle202 , 304 , 316∠ 25 ~∠ 100MTFlat202 , 301 , 30420 ~ ... 100MTChannel202 , 304 , 321[ 5 ~[ 20MTStraight Bar301 , 304 , 321 , 3163 ~ 12MTPlain Steel ...