CHARACTERISTICS OF HARD CHROME PLATED SHAFTS
1- Diameter tolerance is f7
2- Flatness tolerance is f7/2
3- Lengths are between 5 meters and 6 meters
4- Hard chrome coating thickness is 30 microns -+- 60 microns at 5 microns diameter.
5- The hardness of the main material is between 180 – 230 HB, the hardness of the hard chrome layer is between 900-1150 Vickers.
6- Roughness R is between 0.10 – 0.25 micron.
7- Smoothness deviation is 0.0005.