Forged steel round bar S20C 1.Dia: 300-1200MM 2.Delivery condition:forged+Normalized+Rough Turned+Q/T. Or Only black Forged steel round bar S20CSpecification:S20CSimilar grade:SAE1020,C20Size ... ,16MnCr5,20MnCr5,34CrNiMo6,18CrNiMo7-6,39CrNiMo3, 17CrNiMo6,21CrMoV511,56NiCrMoV7,S355J2,41Cr4,51CrV4,41CrAlMo7,40NiCrMo7,40NiCrMo3;40CrMoV4-6Tool Steel: H13,1.2714 Forged steel round bar S20C