Material: CK45, SAE1045, 4140, 4340, JIS45C, 40Cr, 20MnV6, 42CrMo, SS431, SS430, Stainless Steel 304/316/2205, etc. Diameter: Φ 6-800mm
Packing: Anti-rust oil to be spread on rod surface and each rod to be packed in paper roll and then in wooden case
The hard chrome plating of piston rod is a thick chromium plating layer on the surface of the steel substrate. Its thickness is usually 10-30μm. The characteristics of chromium are used to improve the hardness, wear resistance, temperature and corrosion resistance of the parts.
Process characteristics of hard chrome plated piston rod:
1. The cathode current efficiency is as high as 25% to 35%, and the accumulation speed is very fast.
2. The coating has high hardness (900~1200HV), uniformly spread network cracks, good wear resistance and high corrosion resistance. The piston rod is resistant to salt spray for more than 500 hours. The shock absorber rod of the pump shaft is resistant to salt spray for more than 500 hours;
3. The plating solution has good loosening ability, the thickness of the coating is uniform, it is not easy to produce the appearance of rough blisters, and the appearance of the chrome layer is glossy and smooth.
4. Strong bonding force between plating layer and substrate.
5. The content of trivalent chromium in the plating solution allows a wide range of planning, and usually does not need to stop production for electrolytic treatment of trivalent chromium.
6. The plating solution does not contain fluoride, does not contain rare earth elements, and the workpiece has no corrosion in the low-voltage area.
We supply good quality hard chrome plated piston rod for hydraulic cylinders with material certificate.
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