Skip to content
All materials

Expansion alloys

Osprey® Fe29Ni17Co

K94610 · UNS K94610 / ASTM F15

Osprey® Fe29Ni17Co is an expansion alloy with a coefficient of thermal expansion similar to borosilicate glass.

Chemical composition, %

C
0.02
Si
0.2
Mn
0.5
Cr
0.2
Ni
28.5-29.5
Co
16.5-17.5
Al
0.01
Fe
Bal.

Designations

UNSK94610
StandardsUNS K94610 / ASTM F15

Suitable processes

  • Additive manufacturing
  • Metal injection moulding

Other expansion alloys