round steel bar 1>cold draw round bar 2>material:A3(MS),SAE1045,1035 ... 6mMain specification of the company products Cold-drawn round steel 3mm-45mm Square steel 8*8-40 ... 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 ,C50p20,1.2311718/1.2738/p20+Ni4140/42CrMo4/ ...