stainless steel round bar, hot rolled , cold drawn,polished,peeled,lap ... 310S,309 400 series-410,416,420,430 stainless steel round bar2.standard:ASTM A 276,A484,A564 ... Cr,Cu etc.,)--smelted ingots by AOD finery--hot rolled into black surface--pickling into acid liquid ... ,architecture,machine-made ,household products industry etc., stainless steel round barsamples are available,pls feel free to contact ...