Nimonic 90 Springs
W.Nr 2.4632/2.4969, UNS N07090, AWS 030
Nimonic 90 Springs are cold drawn springs with very high corrosion resistance. Nimonic 90 Springs are used for very high temperature applications typically in Jet engines. Torqbolt is a prominent Nimonic 90 Spring supplier in India. Nimonic 90 springs are used in applications operating in ambient temperatures up to 1,112°F (600°C).
Nimonic 90 is a Nickel-Chromium-Cobalt alloy being precipitation hardenable, having high stress-rupture strength and creep resistance at high temperatures up to about 950°C (1740°F).Nimonic® 90 is also known as Superimphy 90, Pyromet 90, and Udimet 90.
Nimonic 90 Spring Types
Nimonic 90 Extension Springs Nimonic 90 Wires Nimonic 90 Torsion Springs Nimonic 90 Compression Springs
Nimonic 90 Spring Properties
| Specification | Nimonic 90 |
|---|---|
| Nominal Composition | Chromium(Cr): 18.0 - 210 Cobalt(Co): 15.0 - 21.0 Iron(Fe): 3.00 Nickel(Ni) - Balance |
| Density | 0.296 lb./in3 |
| Modulus of Elasticity (E) | 32.0 x 106 psi |
| Modulus of Rigidity (G) | 11.9 x 103 psi |
| Coefficient of Expansion | 8.2 µin/in.-°F (200°F) |
| Electrical Resistivity | 51.5 µΩ.in |
| Thermal Conductivity | 46.5 Btu/(hr/ft2/in/°F) |
| Min Size | 0.005 in (0.130 mm) |
| Max Temp | 704oC (1300oF) |