The rods surface heat treatment and hardness reaching HRC 55° ± 2°, and at a hardened depth of between 0.5mm~0.25mm, before the rods are put through precision milling and hard chromium treatment for a membrane thickness measuring 20 micron ± 10% to drastically improve the rod's wear resistance, and help to extend machinery, construction equipment, and as position mount for a variety of heavy equipment.
1. External diameter accuracy: f8. 2. Surface roughness: Ra 0.2μm ~ Ra 0.4m. 3. Hard chrome thickness: 20 micron ± 10%. 4. Surface hardness: HRC 50 UP. 5. Standard length: 2M - 6M. 6. Standard size: 10Ø ~ 200Ø. 7. Material: JIS S45C, SAE1045,DIN CK45. (Other specifications can be made customer request based on, such as SCM 440,SUS 316,SUS 304)