International Equivalent Standards
Detailed Equivalency Mapping
| Pays | Standard Code | Les propriétés de soudure et de brasage sont excellentes | Composition Similarity | Performance Match | Key Applications |
|---|---|---|---|---|---|
| Allemagne | DIN CuSn12 | Tin Bronze | 100% | Reference Standard | Precision Engineering |
| Etats-Unis | ASTMB124 | UNS C91300 | 95% | Haut | Bearings & Bushings |
| Royaume-Uni | BS 1400 | PB2 | 93% | Substantial | Composants marins |
| Japon | JIS H5120 | CA406 | 90% | Bon | Mechanical Parts |
| Chine | GB/T 5231 | QSn12-3 | 88% | Comparable | Machinerie industrielle |
Analyse de la composition chimique
Typical Composition Range (%)
- Copper: 86.5 – 89.5
- Tin: 11.5 – 12.5
- Lead: 0.05 max
- Phosphorus: 0.01 – 0.35
Caractéristiques de performance
Mechanical Properties Comparison
- Résistance à la traction
- CuSn12: 480-520 MPa
- Equivalent Alloys: 460-510 MPa
- Limite d'élasticité
- CuSn12: 280-340 MPa
- Equivalent Alloys: 260-330 MPa
- Élongation
- CuSn12: 15-25%
- Equivalent Alloys: 12-22%
Critical Application Domains
Recommended Usage Scenarios
- Roulements et bagues
- Marine Engineering Components
- Wear-Resistant Mechanical Parts
- Low-Speed Sliding Mechanisms
- Corrosion-Resistant Environments
Selection Criteria Checklist
Key Considerations
- Mechanical Load Requirements
- Friction and Wear Characteristics
- Résistance à la corrosion
- Plage de température de fonctionnement
- Cost Constraints
Technical Limitations
Substitution Challenges
- Slight variations in thermal conductivity
- Microstructural differences
- Specific lubrication requirements
- Potential performance variations
Economic Analysis
Cost Comparison (Relative to CuSn12)
- ASTM C91300: -3% to +2%
- BS PB2: 0% to +5%
- JIS CAC406: -2% to +3%
- GB QSn12-3: -5% to 0%
Emerging Trends
Future Developments
- Traitements de surface avancés
- Nano-structured bronze alloys
- Improved manufacturing techniques
- Enhanced corrosion resistance
Conclusion
Selecting the optimal CuSn12 equivalent requires comprehensive analysis of specific engineering requirements, environmental conditions, and performance metrics.
Final Recommendation: Conduct thorough testing and consult metallurgical experts before final material selection.