round steel bar 1>cold draw round bar 2>material:A3(MS),SAE1045,1035,1020,1215,12L14, ... , quality assurance , prestige is reliable,.Heterotypic to open the mould to produce according to the drawing . Welcome the masses of ... class C/c passedwe supply steel plate and alloy steel bar,round bar steel,en8 steel bars,1045,S45Ccarbon steel ,alloy steel, tool steel,special steel,die steelmain grades : C45 ...