As a connection part, a hydraulic cylinder rod is widely used in many mechanics. In some poor working conditions, the property of corrosion resistance is highly required. Then how to improve it?
Here is some means:
1. Rolling
In this way, a hardened layer of cold working forms in the surface of the material, which can decline the flexible and plastic transformation in the surface of grinding pair and postpone the appearance or expansion of fatigue cracks, and corrosion resistance improves.
2. Chromium-plating
Chromium-plating makes significant improvement to the surface of a piston rod in hardness, smoothness and corrosion resistance. So it’s an ideal way to enhance corrosion resistance through which the coat can even reach a hardness of HV1100, smooth, even and dispersive.
3. Quenching and tempering
By this processing, the piston rod can obtain enhance in working strength, closing micro crack in the surface and blocking enlarging of corrosion, thus improving corrosion resistance of the surface. Nevertheless, it doesn’t mean it’s essential but subject to practical demands.
Above is the common ways for improvement of corrosion resistance of a hydraulic cylinder rod. The better it performs, the harder it can be corroded, and the longer lifespan.
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