PRODUCTS

Oil-Tempered Chromium–Silicon Alloy Steel Wire for Valve Springs

Oil-Tempered Chromium–Silicon Alloy Steel Wire for Valve Springs

Oil Tempered Wire for Valve Springs complies with the JIS G 3561 standard and is manufactured from silicon–chromium alloy steel (Silicon-Chromium Alloy Steel). It features high strength, high heat resistance, and excellent fatigue resistance. This type of wire is specifically designed for automotive and motorcycle engine valve springs, capable of withstanding harsh conditions such as high rotational speeds, high temperatures, and continuous vibration. It is a critical high-performance spring material in engine powertrain systems.

FEATURES

Valve Spring Oil Tempered Wire Features|High Temperature Si-Cr Spring Wire Supplier

NAN CHENG supplies Oil Tempered Wire for Valve Springs manufactured according to JIS G 3561 standards. Made from silicon–chromium alloy steel and processed through oil quenching and tempering, this wire is specifically designed for high-speed engine valve spring applications requiring excellent fatigue resistance and high-temperature durability.

  • Excellent high-temperature durability: Maintains stable spring performance under continuous high-temperature operating conditions.
  • Outstanding fatigue resistance: Suitable for valve springs operating under repeated high-speed compression cycles.
  • Stable elastic recovery: Oil tempering provides reliable stress resistance and minimizes permanent deformation.
  • High-strength alloy steel: Silicon–chromium alloy composition improves fatigue life and heat resistance.
  • Wide diameter range: Available from Ø0.5 mm to Ø16.0 mm for different valve spring designs.
Supply Capability:
✔ Diameter range: Ø0.5 mm – Ø16.0 mm
✔ SWOSC-V / SWOCV-V grades available
✔ Coil, carrier spool and custom cut-to-length supply
✔ Stable inventory for automotive and motorcycle spring manufacturers
✔ Fast delivery from Taiwan warehouses

Please provide your engine spring specifications, diameter and quantity requirements for material recommendations and quotation support.

Specifications

Valve Spring Oil Tempered Wire Specifications|JIS G3561 Standard

Item Specification Details
International Standard JIS G 3561
Material Silicon–Chromium Alloy Steel
Wire Diameter Ø0.5 mm – Ø16.0 mm
Grades SWOSC-V / SWOCV-V
Heat Treatment Oil quenched and tempered
Characteristics High heat resistance, high fatigue resistance and stable elasticity
Application Recommendation:
Suitable for engine valve springs and dynamic spring systems operating under high-speed and high-temperature conditions.
Quality Advantages:
✔ Suitable for automotive-grade spring applications
✔ Excellent fatigue life and thermal stability
✔ Stable spring forming performance

Applications

Valve Spring Oil Tempered Wire Applications|High-Speed Engine Spring Systems

Valve Spring Oil Tempered Wire is designed for high-performance engine spring systems requiring stable operation under high temperatures, high rotational speeds and repeated dynamic loading.

  • Automotive engines:
    Valve springs and high-speed engine spring systems.
  • Motorcycle engines:
    Valve spring components for high-RPM engines.
  • Industrial equipment:
    Dynamic springs operating under high-temperature conditions.
  • Powertrain systems:
    Spring components used in high-speed power transmission equipment.

Valve Spring Oil Tempered Wire FAQ

Q: What is the difference between valve spring wire and standard oil tempered wire?
A: Valve spring wire offers higher fatigue resistance and heat resistance for high-speed engine applications.
Q: What applications is this wire suitable for?
A: It is commonly used for automotive and motorcycle valve springs as well as high-speed dynamic spring systems.
Q: Is this wire suitable for high-temperature environments?
A: Yes. The silicon–chromium alloy provides excellent heat resistance and stable spring performance.
Q: Can NAN CHENG provide custom processing?
A: Yes. Custom cut-to-length and processing support are available according to customer requirements.
Q: How can I request a quotation?
A: Please provide spring application, wire diameter and quantity requirements for quotation support.