... 316L 316 410 420 430 2520 2014 stainless steel channel beam: Our company is specialized in stainless steel steel products ... material products.the exact information about stainless steel U Channel beam as fellows : Grade:201,304,309,309S,310S,316 ... ,430F,Etc.Standard:AISI,ASTN,JIS,DIN,GB,EN,Etc.Dimensions: 40mmx20mmx3mm-200mmx100mmx12mmSurface Quality: Bright, Polished, Turn smooth(Peeled),Brush, ...