1,Steel Grade: GCr15/SAE52100/SUJ2 2,Standard: AISI, ASTM, GB, ... Not: Is AlloyType: Alloy Steel BarPackaging Detail: export packageDelivery Detail 30-45 dayssteel bar, forged, dia.80-800mm,length 3m-7mMTC ... : 0.15~0.35 Mn: 0.25~0.45 Cr: 1.30~1.60 Mo≤0.06 Ni≤0.25 Cu≤0.35Manufacture ... both ends Forged bearing steel GCr15/SUJ2/STB2/E52100/100Cr6B1/1.3505