... 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, ... A479, A484,A564,A582 etc3.production procedure: raw elements(C,Fe,Ni,Mn,Cr,Cu etc.,)--smelted into ingots by ...