Products

C90800

Typical Uses

  • Industrial Speed Reducers, Worm Gears  

Similar or Equivalent Specification

CDA ASTM ASARCON SAE AMS Federal Ingot# Military Centrifugal Sand Other Desc
C90800           ASTM B30   ASTM B427 ASTM B427 HIGH TIN BRONZE, 65

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.
85.00-89.00 11.00-13.00 0.25 0.25 0.15 0.50 0.20 0.3 0.05 0.005 0.005 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, %) Typical Hardness (min) Remarks
  Ksi MPa Ksi MPa      
As Sand Cast 35 241 17 117 10 65
As Centrifugal Cast 50 345 28 193 12 95

Machinability

Alloy Rating Density
C90800 20 0.317

Physical Properties (provided by CDA)

  US Customary Metric
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 100 %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 10 1.0

Fabrication Properties (provided by CDA)

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

Thermal Properties (provided by CDA)

Treatment Temp./Time - US Temp./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    

Specification Cross
Reference Chart (pdf)

This useful chart cross references specification for UNS, CDA, ASTM and other designations.
> go (.pdf)

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