Haynes 230 Nickel Alloy
Haynes 230 (UNS N06230) is a nickel-chromium tungsten-molybdenum high-temperature alloy. It is strengthened by 14% tungsten and optimized with trace amounts of lanthanum, featuring high-temperature strength, oxidation resistance, and long-term structural stability at 1200°C. It is widely used in key hot-end components such as the flame tubes of aircraft engines and the radiant tubes of industrial furnaces.
Chemical Composition
| Fe | C | Si | Mn | P | S | Cr | Mo | W | B | Co | Al | La | Ni | |
| Min | - | 0.05 | 0.25 | 0.3 | - | - | 20 | 1 | 13 | - | - | 0.2 | 0.005 | Rem |
| Max | 3 | 0.15 | 0.75 | 1 | 0.03 | 0.015 | 24 | 3 | 15 | 0.015 | 5 | 0.5 | 0.05 |
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% |
|
8.97 |
1301-1371 |
800 |
379 |
44 |
Standards
ASTM B572,ASTM B435,ASTM B622
Feature
Haynes 230 combines strength, thermal stability, oxidation resistance, thermal cycle capability, fabricability, resistance to grain coarsening, and low thermal expansion
Applications
Aerospace: Combustion cans/thermocouple sleeves
Power: Catalyst grid supports/bellows
Chemical: High-temp heat exchangers
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