... Turned+Q/T. Or Only black Hot Forged Steel Round Bar (C45/SAE8620/16MnCr5)Grade:c45Size:300-1200MM ;Grade:S45CSimilar grade: ... SAE1045,C45,C45E,CK45,EN8 Steel Ingot:EAF+LF+VDChemical ... 56NiCrMoV7,S355J2,41Cr4,51CrV4,41CrAlMo7,40NiCrMo7,40NiCrMo3;40CrMoV4-6Tool Steel: H13,1.2714 Hot Forged Steel Round Bar (C45/SAE8620/16MnCr5)