stainless steel channel bar,hot forged, pickled,full composition qualified machanical property,etc. stainless steel channel bar,hot forged, pickled,full composition qualified machanical property,etc.,stainless steel channel bar1.material grade ... :AISI 201,Y201Cu,202 AISI 303, 304, 304 L, 310,310S,316,316L,321 AISI ...