+ + C90700 Tin Bronze
C90700 Tin Bronze

C90700 High Tin Bronze

  • Bronze C90700: High Tin Bronze
  • Solids: 1/2"  to 10" OD
  • Tubes: 1" to 16" OD
  • Rectangles: Up to 20"
  • Standard Lengths: 144"
 

Similar or Equivalent Specification

CDAASTMASARCONSAEAMSFederalIngot#MilitaryOther Desc
C90700 ASTM B505 110 SAE 65   QQ-C-390B TYPE III 205   HIGH TIN BRONZE, 65
      SAE J461          
      SAE J462          

Chemical Composition (according to ASTM B505-08)

Cu%Sn%Pb%Zn%Fe%Ni%Sb%P%S%Al%Mn%Si%
Note: Single values represent maximums.
  • A In determining copper minimum, copper may be calculated as copper plus nickel.
88.00-90.00 10.00-12.00 0.50 0.50 0.15 0.50A 0.20 1.5 0.05 0.005 N/A 0.005

Mechanical Properties (according to ASTM B505-08)

Tensile Strength (min)Yield Strength (at .5% extention under load min)Elongation (in 2in. or 50mm min, %)Brinell Hardness (min)Remarks
KsiMPaKsiMPa   
40 276 25 172 10 N/A  

Machinability

AlloyRatingDensity
C90700 20 0.317

Physical Properties (provided by CDA)

 US CustomaryMetric
Melting Point - Liquidus 1830 F 999 C
Melting Point - Solidus 1528 F 831 C
Density 0.317 lb/in3 at 68 F 8.77 gm/cm3 @ 20 C
Specific Gravity 8.770 8.77
Electrical Resistivity 107.40 ohms-cmil/ft @ 68 F 17.86 microhm-cm @ 20 C
Electrical Conductivity 10 %IACS @ 68 F 0.056 MegaSiemens/cm @ 20 C
Thermal Conductivity 40.80 Btu · ft/(hr · ft2·°F)at 68F 70.6 W/m · °K at 20 C
Coefficient of Thermal Expansion 10.20 ·10-6 per oF (68-392 F) 18.4 ·10-6 per °C (20-200 C)
Specific Heat Capacity 0.090 Btu/lb/°F at 68 F 377.1 J/kg · °K at 293 K
Modulas of Elasticity in Tension 15000 ksi 103400 MPa
Magnetic Permeability 1 1.0

Fabrication Properties (provided by CDA)

Joining TechniqueSuitability
Soldering Excellent
Brazing Good
Oxyacetylene Welding Fair
Gas Shielded Arc Welding Fair
Coated Metal Arc Welding Fair

Thermal Properties (provided by CDA)

TreatmentTemp./Time - USTemp./Time - SI
Stress Temperature 500 260
Solution Minimum    
Solution Maximum    
Solution Time 0.0
Solution Medium None
Precipitation Value    
Precipitation Time    
Precipitation Medium None
Annealing Minimum    
Annealing Maximum    
Annealing Time  
Hot Works Minimum    
Hot Works Maximum