... material products.the exact information about stainless steel U Channel beam as fellows : stainless steel channel beam:Grade:201,304,309,309S, ... JIS,DIN,GB,EN,Etc.Dimensions: 40mmx20mmx3mm-200mmx100mmx12mmSurface Quality: Bright, Polished, Turn smooth(Peeled),Brush, ... .h10-h11321h12-h13432Steel for automatical cutting221CertificationBaojun Spirit: Quality first, customers foremost! Should any of our ...