U channel steel Size:30-400mm Grade: Q235B,A36,SS400 Thickness: 1.5~14.5mm Length:6-12m CommodityMaterial ... 316∠ 25 ~∠ 100MTFlat202 , 301 , 30420 ~ 100MTChannel202 , 304 , 321[ 5 ~[ 20MTStraight Bar301 , 304 , 321 , 3163 ~ 12MTPlain Steel Bars202 , 316 ... ProductsZ steel structure,C shaped steel stucture,channel steel,angle steel,deformed steel,tail railMain ... Section steel/angle steel/channel/flat/beam