+ + C90300 High Tin Bronze
C90300 High Tin Bronze

C90300 Tin Bronze

  • Bronze C90300: High Tin Bronze
  • Solids: 1/2"  to 10" OD
  • Tubes: 1" to 16" OD
  • Rectangles: Up to 20" wide
  • Type: Copper alloy
  • Shape/Form: Bar stock; flats/rectangular bar; hex; squares
  • Benefits: Hardness, good corrosion resistance, high wear resistance, moderate machinability, proven alloys in wide uses
 

Similar or Equivalent Specification

CDAASTMASARCONSAEAMSFederalIngot#MilitaryOther Desc
C90300 B505-08              

Chemical Composition (according to ASTM B505-08)

Cu%Sn%Pb%Zn%Fe%Ni%Sb%P%S%Al%Mn%Si%Bi%
Note: Single values represent maximums.
86.00-89.00 7.50-9.00 0.30 3.00-5.00 0.20 1.00 0.20 1.50 0.05 0.005 N/A 0.005 N/A

Mechanical Properties (according to ASTM B505-08)

Tensile Strength (min)Yield Strength (at .5% extention under load min)Elongation (in 2in. or 50mm min, %)Hardness (typical Bhn - 500kg)Remarks
KsiMPaKsiMPa   
44   22   18 70  

Machinability

AlloyRatingDensity
C90300 30 0.318

Physical Properties (provided by CDA)

 US CustomaryMetric
  • * Field Strength 16 kA/m
Melting Point - Liquidus 1832 F 1000 C
Melting Point - Solidus 1570 F 854 C
Density 0.318 lb/in3 at 68 F 8.8 gm/cm3 @ 20 C
Specific Gravity 8.800 8.8
Electrical Conductivity 12 %IACS @ 68 F 0.069 MegaSiemens/cm @ 20 C
Thermal Conductivity 43.20 Btu · ft/(hr · ft2·°F)at 68F 74.8 W/m · °K at 20 C
Coefficient of Thermal Expansion 100 ·10-6 per oF (68-212 F) 0.0 ·10-6 per °C (20-100 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 14000 ksi 96500 MPa
Magnetic Permeability 10 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