
CK45 Hollow Piston Rod
CK45 Hollow Piston Rod is a high-performance hollow piston rod for hydraulic cylinders and pneumatic systems. It is made of high-quality CK45 steel with high strength, high precision, and good wear resistance. Its surface is treated with hard chrome plating to enhance corrosion resistance and...
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Product Introduction
CK45 Hollow Piston Rod is a high-performance hollow piston rod for hydraulic cylinders and pneumatic systems. It is made of high-quality CK45 steel with high strength, high precision, and good wear resistance. Its surface is treated with hard chrome plating to enhance corrosion resistance and friction resistance.
Chemical Composition:
| Element | Content range (%) |
|---|---|
| C | 0.42 – 0.50 |
| Mn | 0.50 – 0.80 |
| Si | 0.17 – 0.37 |
| P | ≤0.035 |
| S | ≤0.035 |
Mechanical Properties:
Tensile strength: ≥610 MPa
Yield strength: ≥355 MPa
Elongation: ≥15%
Surface hardness: Hard chrome layer hardness ≥850 HV
Dimensions And Tolerances:
Diameter tolerance: ISO f7
Roundness: half of the diameter tolerance
Straightness: ≤0.2 mm/m
Surface roughness: Ra ≤0.2 µm
Surface treatment:
Hard chrome plating: thickness 20-30 µm, good wear resistance and corrosion resistance.
Mirror polishing: After mirror polishing, the surface finish is high.
Product Application:
CK45 Hollow Piston Rod is widely used in the following fields:
Hydraulic system: the main transmission component of the hydraulic cylinder.
Pneumatic system: used in a cylinder to reduce weight while maintaining strength.
Engineering machinery: used in excavators, loaders, and other equipment.
Automobile and aerospace: used for lightweight mechanical parts.
Industrial equipment: suitable for various machinery requiring high precision and high performance
Product Advantages:
Lightweight: The hollow structure significantly reduces weight.
Corrosion resistance: The hard chrome plating layer provides excellent corrosion resistance.
High precision: High-precision processing and strict quality control.
Customization: The size and specifications can be customized according to customer needs.
Packaging And Transportation:
Packaging: Treated with anti-rust oil and packed in paper sleeves to ensure protection during transportation.
Transportation: Standard export packaging, suitable for sea transportation.
If you have further needs or questions about CK45 Hollow Piston Rod, please feel free to contact us.


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