
Spring Steel Wire
Our spring steel wire is produced from high-carbon steel with carefully controlled processing to achieve optimal mechanical properties for spring manufacturing. The wire exhibits excellent elastic properties, high tensile strength, and superior fatigue resistance. Available in various surface finishes and temper conditions to meet diverse spring manufacturing requirements.
Key Specifications
Packaging
Spool / Coil
Standards
GB/T 4357, ASTM A228
Carbon Content
0.65-0.85%
Diameter Range
0.1mm - 8mm
Surface Finish
Bright / Oil tempered
Tensile Strength
1600-2200 MPa
Available Materials
65Mn70#72A/B82A/BMusic Wire
Product Features
- High elastic limit
- Excellent fatigue life
- Consistent mechanical properties
- Multiple surface options
- Tight diameter tolerance
Industrial Applications
- Compression springs
- Extension springs
- Torsion springs
- Automotive suspension
- Industrial machinery
- Consumer electronics
Quality Assurance
All Spring Steel Wire products undergo rigorous quality inspection at every stage of production. Our quality management system ensures consistent performance and full traceability.
Inspection Methods
- • 100% dimensional inspection
- • Surface roughness measurement
- • Hardness testing
- • Visual inspection
Certifications
- • ISO 9001:2015
- • IATF 16949
- • Material certificates provided
- • COC available on request

