International Equivalent Standards
Detailed Equivalency Mapping
| 국가 | Standard Code | 합금 명칭 | Composition Similarity | Performance Match | 주요 애플리케이션 |
|---|---|---|---|---|---|
| 독일 | DIN CuSn12 | 주석 청동 | 100% | Reference Standard | Precision Engineering |
| 미국 | ASTM B124 | UNS C91300 | 95% | 높은 | Bearings & Bushings |
| 영국 | BS 1400 | PB2 | 93% | Substantial | 해양 부품 |
| 일본 | JIS H5120 | CAC406 | 90% | 좋은 | Mechanical Parts |
| 중국 | GB/T 5231 | QSn12-3 | 88% | Comparable | 산업기계 |
Chemical Composition Analysis
Typical Composition Range (%)
- Copper: 86.5 – 89.5
- Tin: 11.5 – 12.5
- Lead: 0.05 max
- Phosphorus: 0.01 – 0.35
성능 특성
Mechanical Properties Comparison
- 인장 강도
- CuSn12: 480-520 MPa
- Equivalent Alloys: 460-510 MPa
- 항복 강도
- CuSn12: 280-340 MPa
- Equivalent Alloys: 260-330 MPa
- 연장
- CuSn12: 15-25%
- Equivalent Alloys: 12-22%
중요한 응용 프로그램 도메인
Recommended Usage Scenarios
- 베어링 및 부싱
- 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
- 내식성
- 작동 온도 범위
- 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
- Advanced surface treatments
- Nano-structured bronze alloys
- Improved manufacturing techniques
- Enhanced corrosion resistance
결론
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.