International Standard Mapping
Comprehensive Equivalency Comparison
| 国 | Standard Code | 合金の指定 | Composition Similarity | Performance Match | Primary Applications |
|---|---|---|---|---|---|
| アメリカ合衆国 | UNS C93700 | Leaded Tin Bronze | 100% | Reference Standard | Heavy-Duty Bearings |
| ドイツ | DIN CuSn10Pb | Leaded Tin Bronze | 95％ | 高い | 産業機械 |
| イギリス | BS 1400 | PB1 | 93% | Substantial | Precision Engineering |
| 日本 | JIS H5120 | CAC405 | 90％ | 良い | 船舶用部品 |
| 中国 | GB/T 5231 | QSn10-1 | 88% | Comparable | 自動車部品 |
Chemical Composition Breakdown
Typical Composition Range (%)
- Copper: 85.0 – 89.0
- Tin: 9.5 – 11.5
- Lead: 1.0 – 2.0
- Zinc: 0.25 max
- Phosphorus: 0.01 – 0.35
Performance Characteristics Comparison
Mechanical Properties Analysis
- 抗張力
- C93700: 450-500 MPa
- Equivalent Alloys: 430-490 MPa
- 降伏強さ
- C93700: 250-320 MPa
- Equivalent Alloys: 230-310 MPa
- 伸長
- C93700: 18-25%
- Equivalent Alloys: 15-22%
Key Performance Advantages
Distinctive Characteristics
- Exceptional anti-friction properties
- 高負荷容量
- Superior wear resistance
- Excellent machinability
- Good fatigue strength
Optimal Application Domains
Recommended Usage Scenarios
- Heavy-Duty Bearings
- 自動車部品
- Marine Engineering
- 油圧システム
- Precision Mechanical Assemblies
選択に関する考慮事項
Critical Evaluation Factors
- Mechanical load requirements
- Operating temperature range
- Lubrication conditions
- Corrosion environment
- Economic constraints
Performance Limitations
Potential Substitution Challenges
- Thermal conductivity variations
- Microstructural differences
- Specific lubrication requirements
- Performance consistency
Economic Perspective
Cost Comparison (Relative to C93700)
- DIN CuSn10Pb: -2% to +3%
- BS PB1: 0% to +4%
- JIS CAC405: -3% to +2%
- GB QSn10-1: -5% to 0%
Emerging Technological Trends
Future Development Directions
- Advanced surface engineering
- Nano-structured bronze alloys
- Improved manufacturing techniques
- Enhanced wear-resistant coatings
Strategic Recommendation
Selecting the appropriate C93700 equivalent demands a nuanced understanding of specific engineering requirements, environmental conditions, and performance metrics.
Critical Advice: Conduct comprehensive testing and consult metallurgical experts before final material selection.
Professional Insights
Industry Expert Perspective
C93700 represents a versatile leaded tin bronze with exceptional performance across multiple engineering domains. Its unique composition provides a balanced approach to mechanical challenges in high-stress applications.