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/in³ | 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 per °C |
| Thermal conductivity (@20.0°C/68°F) | 26.0 BTU ft/hr ft² °F | 45.0 W/mK |