... condition:forged+Normalized+Rough Turned+Q/T. Or Only black Forged steel round bar S20CSpecification:S20CSimilar grade:SAE1020 ... tolerance:-0/+8 mm(Black surface),-0/+3 mm(Rough Turned); or only Only forged of black surface barsDelivery condition:Hot ... 34CrNiMo6,39CrNiMo3,18CrNiMo5,17CrNiMo6,41Cr4,S355J2G3,ST52-3,16MnCr5,20MnCr5,21CrNiMo2. ST52-3,ASTM A105,42CrMo4,S355J2G3,20NiCrMo2,16MnCr5,20MnCr5 ...