C64200 Silicon Aluminum Bronze Alloy

C64200 silicon aluminum bronze is one of the wrought alloys available at Diversified Bronze. This alloy has good fatigue resistance and is anti-galling. It has the best machinability of any bronze alloy without the addition of lead.

C64200 is used in the aerospace, defense, marine, and oil and gas industries. Common applications include:

  • Bronze Automobile Engine Parts
  • Bronze Nuts & Bolts
  • Pole Line Bronze Hardware
  • Bronze Valve Bodies
  • Bronze Guides
  • Bronze Valve Stems

Diversified Bronze has solid and cored C64200 Silicon aluminum bronze bars in 144" lengths. Other lengths and non-standard sizes are available.

Technical details

C64200 is made up of 91.2% copper, 7% aluminum, and 1.8% silicon. The best welding techniques include:

  • Brazing
  • Butt
  • Coated-Metal Arc
  • Gas-Shielded Arc
  • Seam
  • Spot

C64200 Silicon Aluminum Bronze Alloy Properties

Physical
Property
Imperial
Metric
Density
0.285 lb/in
7.89 g/cm3
 
Mechanical
Property
Imperial
Metric
Rockwell B Hardness
59
59
Tensile strength
75000-102000 psi
517-703 MPa
Yield strength
35000-68000 psi
241-469 MPa
Fracture strain
32%
32%
Machinability
60
60
Elastic modulus
17000 ksi
117 GPa
Poisson's ratio
0.34
0.34
 
Thermal
Property
Imperial
Metric
Thermal expansion coefficient (@20-300°C/68-572°F)
10 10-6 per °F
18 10-6 per °C
Thermal conductivity (@20.0°C/68°F)
26.0 BTU ft/hr.ft².°F
45.0 W/mK