ALUMINUM BRONZE
Aluminum-silicon bronze alloy
Nominal composition
| 7% |
| Aluminium |
|---|
| (Al) |
| 2% |
| Silicon |
|---|
| (Si) |
| 91% |
| Copper |
|---|
| (Cu) |
DESCRIPTION
A wrought aluminum-silicon-copper alloy used for valve seats and stems, marine hardware, pole line hardware, bushings and bearings, cams, bolts and nuts, valve bodies and similar components.
AMPCO® 642 alloy has excellent capacity for hot forming, with a hot forgeability rating of 80 and a machinability rating of 60.
Fair brazing and arc welding joining, Soldering and oxyacetylene welding are not recommended.
