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.