Description

Technical Parameters

42CrMo4 Piston Rod is a high performance piston rod widely used in hydraulic cylinders and pneumatic systems. It is made of high quality 42CrMo4 alloy steel, which has been quenched and tempered to have high strength, high toughness and good wear resistance. Its surface is treated with hard chrome plating to further enhance corrosion resistance and friction resistance.

Chemical Composition:

Element	Content range (%)
C	0.38-0.45
Mn	0.50-0.80
Si	0.17-0.37
S	≤0.035
P	≤0.035
Cr	0.90-1.20
Mo	0.15-0.25

Mechanical Properties:

Tensile strength: 980 MPa
Yield strength: 850 MPa
Elongation: ≥14%
Impact toughness: >47J
Surface hardness: 850-1150 HV

Dimensions And Tolerances:

Diameter range: 6 mm to 1600 mm
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
Mirror polishing: high surface finish

Product Application:

42CrMo4 Piston Rod is widely used in the following fields:
Hydraulic system: as the main transmission component of hydraulic cylinder.
Pneumatic system: used in cylinder to reduce weight while maintaining strength.
Engineering machinery: used in excavators, loaders and other equipment.
Automobile and aerospace: used for key components with high fatigue strength and impact toughness.
Industrial equipment: suitable for various machinery requiring high precision and high performance.

Certification and Quality Assurance:

Certification: Provide all certificates related to materials, heat treatment and electroplating.
Quality Inspection: Equipped with advanced testing equipment to ensure product quality.
If you have further needs or questions about 42CrMo4 Piston Rod, please feel free to contact us.

Packaging And Transportation:

Packaging: Treated with anti-rust oil and packed in paper sleeves to ensure protection during transportation.
Transportation: Usually shipped by sea, other transportation methods can also be selected according to customer needs

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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