Elgiloy Springs Manufacturer
Coiling Technologies manufactures Elgiloy springs that have a high fatigue strength, which is for demanding sour environments. Elgiloy is a non-magnetic Cobalt-Chromium-Nickel-Molybdenum alloy having a unique combination of very high strength, excellent corrosion resistance and high fatigue strength.
| Technical Specification | Elgiloy |
|---|---|
| Nominal Composition |
Ni:14.0 - 16.0 Co: 39.0 - 41.0 Mo: 6.0 - 8.0 |
| Density |
0.300 lb./in3, (8.30 g/cm3) |
| Modulus of Elasticity (E) |
32.0 x 103ksi |
| Modulus of Rigidity (G) |
11.2 x 103ksi |
| Coefficient of Expansion |
8.4 µin/in.-°F (70°F to 600°F) |
| Electrical Resistivity |
39.2 µΩ.in |
| Thermal Conductivity |
86.5 Btu-in/ft2hr-°F |
| Min Size |
0.001 in (0.05 mm) |
| Max Temp |
450oC (840oF) |
| Uses of Elgiloy Springs |
Elgiloy is highly resistant to sulfide stress corrosion cracking and as a result, is the alloy of choice in the most demanding sour environments. |
