Forged steel bar Steel grade:S45C Carbon steel: American Standard(AISI/SAE/ASTM) :1010,1015,1025,1035,1045,1060 Alloy Steel:Chinese Standard:16Mn,20Mn,30Mn2 ... Standard:42CrMo4,25CrMo4,34CrNiMo6,39CrNiMo3,17NiCrMo6,18CrNiMo7-6,S355J2G3,ASTM A105,ST52-3,16MnCr5,20MnCr5,16MnCrS5,20MnCrS5,21CrMoV511,56NiCrMoV7,18NiCrMo5,30CrNiMo8 ... sight.Delivery time:Within 30 days after L/C date forged steel bar