Haynes 25 Nickel Alloy
Haynes 25 (UNS R30605) is a cobalt-nickel-chromium-tungsten high-temperature alloy, featuring outstanding high-temperature strength (1800°F/980°C) and oxidation resistance, as well as resistance to sulfidation and wear resistance. It is suitable for use in aircraft engine combustion chambers, high-temperature bearings, and chemical equipment, and possesses excellent forming and welding properties.
Chemical Composition
| Fe | C | Si | Mn | P | S | Cr | Ni | W | Co | |
| Min | - | 0.05 | - | 1 | - | - | 19 | 9 | 14 | Rem |
| Max | 3 | 0.15 | 0.4 | 2 | 0.04 | 0.03 | 21 | 11 | 16 |
Material Properties
|
Density |
Melting Point |
Minimum Mechanical Properties of the Alloy at Room Temperature |
||
|
Tensile Strength |
Yield Strength |
Elongation |
||
|
g/cm3 |
℃ |
Rm N/mm2 |
Rp0.2 N/mm2 |
A5% |
|
9.13 |
1330-1410 |
950 |
460 |
30 |
Standards
AMS 5796,AMS 5537,ASTM B622
Feature
Maintains high strength/hardness at elevated temperatures with superior oxidation, sulfidation, and corrosion resistance
Applications
Four-dimensional applications:
Aerospace (combustors/jet engine parts)
Industrial furnaces (liners/mufflers)
Chemical reactors
Marine turbines
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