Expansion alloy metal powder
The standard range of Osprey® metal powder includes expansion alloy metal powders to be used in, for example, additive manufacturing and metal injection moulding (MIM).
| Alloy | Description | Fe | Cr | Ni | Co | C | Mn | Si | Al | O |
|---|---|---|---|---|---|---|---|---|---|---|
| Fe29Ni17Co (UNS K94610, ASTM F15) (Kovar*) |
Alloy with a coefficient of thermal expansion similar to borosilicate glass | Bal. | 0.2 | 28.5-29.5 | 16.5-17.5 | 0.02 | 0.5 | 0.2 | 0.01 | – |
| Alloy 36 (UNS K93600) (Invar 36**) |
Alloy with low coefficient of thermal expansion | Bal. | 0.02 | 35.5-36.5 | – | – | 0.5 | 0.25 | – | – |
*Fe29Ni17Co is an alloy of the same type as Kovar which is a trademark owned by CRS Holding.
**Alloy 36 is an alloy of the same type as Invar 36 which is a trademark owned by Aperam Alloys Imphy.
Other expansion alloys are also available. Contact us to discuss our full range of metal powder alloys.