stainless steel channel bar,hot forged, pickled,full composition qualified machanical property,etc., stainless steel channel bar 1.material grade:AISI 201, ... ,Cr,Cu etc.,)--smelted into ingots by AOD finery--hot rolled into black surface--pickling into acid liquid--cutting ... 30mm*15mm*15mm*1mm-300mm*150mm*150mm*30mm6.usage:stainless steel channel bar is widely used in chemical, shipping,architecture ...