SCM440 Forging Steel Bar SCM440 State:hot forging+normalizing+turning ... or 4 meter or as request SCM440 Forging Steel Bar SCM440 Steel Grade: AISI1020,AISI1040,AISI1045,AISI1050, CK15 ... ;42CrMo4,25CrMo4,34CrNiMo6,39CrNiMo3,17NiCrMo6,18CrNiMo7-6,S355J2G3,ASTM A105,ST52-3,16MnCr5,20MnCr5,16MnCrS5,20MnCrS5,21CrMoV511, ... 0/+8mm(black),-0/+3 mm(turning)Grain Fineness:ASTM E112-96 > Level 5 or better under ...