International Standard Mapping

Comprehensive Equivalency Comparison

PaysStandard CodeLes propriétés de soudure et de brasage sont excellentesComposition SimilarityPerformance MatchApplications primaires
Etats-UnisUNS C93700Leaded Tin Bronze100%Reference StandardHeavy-Duty Bearings
AllemagneDIN CuSn10PbLeaded Tin Bronze95%HautMachinerie industrielle
Royaume-UniBS 1400PB193%SubstantialPrecision Engineering
JaponJIS H5120CAC40590%BonComposants marins
ChineGB/T 5231QSn10-188%ComparableComposants automobiles

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

  1. Résistance à la traction
    • C93700: 450-500 MPa
    • Equivalent Alloys: 430-490 MPa
  2. Limite d'élasticité
    • C93700: 250-320 MPa
    • Equivalent Alloys: 230-310 MPa
  3. Élongation
    • C93700: 18-25%
    • Equivalent Alloys: 15-22%

Key Performance Advantages

Distinctive Characteristics

  • Exceptional anti-friction properties
  • High load-bearing capacity
  • Superior wear resistance
  • Excellent machinability
  • Good fatigue strength

Optimal Application Domains

Recommended Usage Scenarios

  1. Heavy-Duty Bearings
  2. Composants automobiles
  3. Génie maritime
  4. Systèmes hydrauliques
  5. Precision Mechanical Assemblies

Considérations de sélection

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.