Description

Technical Parameters

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.

About Us:

Wuxi LongWei Precision Tube Co., Ltd., is located near Taihu Lake in Wuxi's Luoshe Town with convenient expressway access. A facility featuring 10,000 m² of production space and advanced equipment, including 9 m SRB scraping roller-ray machines and high-precision hydraulic cold drawing machines, specializing in manufacturing precision seamless steel tubes (Φ40-500mm) for hydraulic/pneumatic cylinders, textile/glass machinery rollers, automotive drive shafts, and motor shells.

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