U channel steel Size:30-400mm Grade: ... , 321[ 5 ~[ 20MTStraight Bar301 , 304 , 321 , 3163 ~ 12MTPlain Steel Bars202 , 316 , 304Φ 3 ~ Φ 55MTSquare Bar304 , 202 , 31620 ... ~ S 60MT Main ProductsZ steel structure,C shaped steel stucture,channel steel,angle steel,deformed steel,tail railMain Exporting CountrySouth America, ... ,electrogalvanizing,spray paint Section steel/angle steel/channel/flat/beam