AMPCO® 642 Aluminum-silicon bronze alloy
Nominal composition:
| Aluminium | (Al) | 7% |  |
| Silicon | (Si) | 2% | |
| Copper | (Cu) | 91% |
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.
Related Industries
Related Application
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AMPCO® 642 E E