40Cr Hard Chrome Plated Chrome Piston Rod For Hydraulic Cylinder
1. Product Overview
The Chrome Piston Rod is a key functional component designed for linear motion and power transmission in hydraulic systems. Made from 40Cr alloy steel, it undergoes cold drawing, precision machining, and hard chrome plating to ensure consistent performance under high-pressure and high-frequency working conditions.
With hardness controlled at HRC50–55 and surface roughness Ra0.2–0.4, the piston rod offers excellent wear resistance and surface smoothness. It is mainly used in hydraulic cylinders to transfer force stably and reduce friction between the rod and sealing components.
This product helps improve the overall service life of hydraulic equipment, reduces seal wear, and lowers the frequency of maintenance and
replacement in industrial and construction machinery.
2. Applications
• Hydraulic cylinders for engineering machinery
• Excavators, loaders, and bulldozers
• Lifting platforms and hydraulic lifting systems
• Agricultural machinery hydraulic actuators
• Industrial hydraulic equipment and machine tools
3. Technical
Material: 40Cr Alloy Steel,1045,S45C,C45,42CRMO
Hardness | HRC50–55 |
Yield Strength | ≥520 N/mm² |
Straightness | ≤0.2 mm/m |
Tolerance |ISO f7 |
4. Advantages
• High hardness and strength reduce surface wear and extend service life
• Smooth surface lowers friction and protects sealing components
• Stable performance improves motion accuracy and equipment stability
• Reliable material and processing reduce maintenance costs
• Good corrosion resistance adapts to harsh working environments
5. FAQ
• What material is the chrome piston rod made from?
It is made from 40Cr alloy steel.40Cr Alloy Steel,1045,S45C,C45,42CRMO
• What is the surface roughness of the piston rod?
The surface roughness is Ra0.2–0.4.
• What hardness does the piston rod reach?
Its hardness reaches HRC55-60
• What is the yield strength of the material?
The yield strength is ≥520 N/mm².
• What is the main application of this product?
It is mainly used for hydraulic cylinders.
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