... forged, pickled,full composition qualified machanical property,etc., stainless steel channel bar 1.material grade:AISI 201,Y201Cu,202 AISI 303 ... ,321 AISI 410, 420, 430, 430F, 431,4162.standard: GB/T 1220-2007,GB/T707-1988,ASTM A 276,A 314 ... *15mm*15mm*1mm-300mm*150mm*150mm*30mm6.usage:stainless steel channel bar is widely used in chemical, shipping,architecture,machine-made ...