Aluminum-zinc bronze alloys
Copper-aluminum-zinc alloy in which hard eutectic particles dispersed in a softer matrix create low-friction surfaces and lubrication channels through controlled wear.
Characteristics
Family characteristics
- Hard eutectic particles in softer matrix
- Low coefficient of friction
- Selective wear creates lubrication channels
- Melting point and hardness above base elements
- Reinforced mechanical strength
Typical applications
Typical applications
- Bearing and bushing materials
- Wear-resistant components in mechanical assemblies
- Automotive, aerospace, marine, military, construction, and electronics applications
Available alloys
Available alloys
- BM 863UNS C86300SAE 430BASTM B147-8C
The same BM 863 specification as the aluminum bronze family, also classified as aluminum-zinc bronze due to its 22–28% zinc content — combines hardness and corrosion resistance.