... 2,Standard: AISI, ASTM, GB, JIS 3,Dimensions: 80mm-800mm, 4,length 3m-7m Steel Grade: GCr15/SAE52100/SUJ2Standard: AISI, ... 30-45 dayssteel bar, forged, dia.80-800mm,length 3m-7mMTC UT report: SEP 1921-84 C/CGrade: ... : According to customer’s requirement( Normal length is 3-6M)Inspection: UT test follows as GB/T6402-91 ... CLASS 3 or SEP 1921 C/CCut both ends Forged bearing ...