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Si45Z low-alloyed Silicon Iron Bronze

CuSi3Fe2Zn3

Si45Z low-alloyed Silicon Iron Bronze
  • ISO composition : CuSi3Fe2Zn3
  • UNS : C65620
  • ASTM / AMS AMS 4616

Si45Z is a wrought single-phase silicon iron copper alloy: CuSi3Fe2Zn3 (AMS 4616, UNS C65620). 

It exhibits exceptional ductility and elongation rate together with good mechanical properties. It therefore enables a good cold formability and complex shapes, it also allows to design components that would not hurt their environment if they were to fail. It is non-magnetic and resists mechanical wear and galling.

Si45Z advantages

This performance material is used in aerospace applications (bearing cages, retainers, etc.), industrial applications (asynchronous motors), and many other industries. It is often used in applications where superior swaging characteristics and moderate strength are required. It is easily machined into complex components whilst being environmentally friendly, being both lead and beryllium free.

  • Excellent elongation, ductility and swaging performances

  • Excellent galling properties and good antifriction properties

  • Good resistance to oxidation

  • Good machinability

  • Low magnetic permeability

Lebronze alloys manufacturing process for Si45Z is fully integrated: internal processes include casting, hot and/or cold working stages, heat treatment and non-destructive testing. Being fully integrated ensures reactivity and complete traceability.

Applications using Si45Z

Anti friction bearing cages, races, spacers, retainers, valves guides, gears, hydraulic bushings. In such applications where significant deformations are necessary for the manufacture of the components Si45Z is the material of choice, Si45Z demonstrates an outstanding resistance to metal-to-metal wear. Thus providing a reduction of failures and hence maintenance downtimes.

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Available forms
Composition
UNS
AMS & ASTM
European Norms
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Safety sheet
Si45Z CuSi3Fe2Zn3 C65620 AMS 4616 -

Distribution network

In the USA and North America, Busby Metals is the exclusive distributor for the Si45Z material, amongst many other of our alloys. Contact our partners from Busby for more information, stocks availability and services.
For other countries, please contact us, or check who are our ditribution partners in your county.

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