Dia(mm)  6-12     16-25      30-50      55-100     100-500
L(mm)   800-2000  2000-3000  1500-3000  1000-2000  1000-1100

Material: Sae1045/S45c/CK45/ G4105 SCM440 SAE4140 42CrMo4, 2Cr13
Outer Dia Precision: H7-H8
Hard-Chrome Thickness 20 Micron Min; ( or do as per buyer request)
Hard-Chrome Hardness above HV 800/HRC63
Surface roughness: Ry 0.6 1.4s Ra 0.2, 0.4
Straightness: 0.15/1000mm.
Ovality: < 0.01/L
Packing: Covered by Corrugated paper packed in wooden box or as per buyer's request