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MedicalHAYNES® 25 alloy (UNS R30605) is a cobalt-nickel-chromium-tungsten alloy that combines excellent high-temperature strength with good resistance to oxidizing environments up to 1800°F (980°C) for prolonged exposures, and excellent resistance to sulfidation. It can be fabricated and formed by conventional techniques, and has been used for cast components. Other attractive features include excellent resistance to metal galling.
Chemical Makeup
| Element | Min | Max |
|---|---|---|
| Carbon, C | 0.05 | 0.15 |
| Manganese, Mn | 1.00 | 2.00 |
| Silicon, Si | - | 0.40 |
| Phosphorous, P | - | 0.04 |
| Sulfur, S | - | 0.03 |
| Chromium, Cr | 19.00 | 21.00 |
| Nickel, Ni | 9.00 | 11.00 |
| Tungsten, W | 14.00 | 16.00 |
| Iron, Fe | - | 3.00 |
| Cobalt, Co | Balance | - |
Common Applications
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Aerospace
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Industrial
Benefits
- Excellent strength
- Very good sulfidation resistance
- Relatively good resistance to wear and galling
We stock HAYNES 25 to the following specifications:
- AMS-5759
- S-1000
- S-400
Click on a cross-section to see the sizes we stock: