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).

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Selected expansion alloys incl. chemical composition (nominal), %
Alloy Description Fe Cr Ni Co C Mn Si Al O
Fe29Ni17Co (UNS K94610, ASTM F15)
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.

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