Product Description
Short Description
A hard chrome plated rod is a steel piston rod coated with a thin layer of chromium to improve surface hardness, corrosion resistance, and wear life. Its a critical part of hydraulic cylinders, ensuring smooth sealing and long service life.
Typical Specifications
Base Material: Medium carbon steel (e.g., C45, 1045, 4140)
Chrome Thickness: ~2050 microns (0.020.05 mm)
Surface Hardness: ~8501100 HV (Vickers)
Surface Finish (Roughness): Ra 0.20.4 m
Diameter Range: ~10 mm to 500+ mm
Straightness: 0.2 mm per meter
Corrosion Resistance: 100200+ hours salt spray (varies by quality)
Tolerance: Typically f7 or better (precision ground)
Key Benefits
High wear resistance
Smooth surface for seal longevity
Corrosion protection
Reduced friction and improved efficiency