1.Material:CK45,ST52,20MnV6,42CrMo4,40Cr 2.Ground and chrome plated 3.Diameter:6~1000mm 4.length:1000~8000mm 5. ... HARDNESS 850-1150HV (vickers 100g)10.COHESION No cracks,breaking or detaching after thermic shock(warming up at 300 celsius degrees ... and each rod to be packed in paper sleeve15. CERTIFICATE All certificate related with material heat treatment and plating is required hard chrome plated rod