U channel steel Size:30-400mm Grade: Q235B,A36,SS400 Thickness: 1.5~14.5mm ... ~ S 60MT Main ProductsZ steel structure,C shaped steel stucture,channel steel,angle steel,deformed steel,tail railMain Exporting CountrySouth America ... :hot dipped galvanized,electrogalvanizing,spray paint Section steel/angle steel/channel/flat/beam