... channel bar 1) Material: 304(L),316(L), 321, 310, 2) H:60mm-200mm, B:37mm-102mm StandardAISI ASTM Material 300 ... ±0.5mmSurfaceHot-rolled, pickled or sand blastingApplicationWidely used in architectural, engineering, food, petrochemical and pharmaceutical.Technical Parameter CSiMnP≤S≤CrMoNiSUS201≤0.15 ... .0-3.012.0-15.0 AISI Stainless Steel Channels used for engineering construction