- Excellent oxidation resistance up to 1149°C (2100°F)
- Outstanding high-temperature strength and creep resistance
- Superior thermal stability during prolonged exposure to heat
- Resistant to carburization and nitriding environments
- Good fabrication and welding performance
Haynes 230 UNS N06230 High Temperature Alloy
Haynes 230 alloy is a nickel-chromium-tungsten-molybdenum alloy designed for outstanding high-temperature strength, oxidation resistance, and long-term thermal stability. It is widely used in aerospace, industrial heating, gas turbines, and heat treatment equipment where reliable performance under extreme conditions is essential.
Haynes 230 maintains excellent mechanical properties and resistance to carburization, nitriding, and thermal fatigue, making it a preferred material for demanding high-temperature applications.
Key Features
- Excellent oxidation resistance up to 1149°C (2100°F)
- Outstanding high-temperature strength and creep resistance
- Superior thermal stability during prolonged exposure to heat
- Resistant to carburization and nitriding environments
- Good fabrication and welding performance
- High resistance to thermal fatigue and cyclic heating
- Suitable for severe corrosive and high-temperature conditions
Chemical Composition
| Element | Composition (%) |
|---|---|
| Nickel (Ni) | Balance |
| Chromium (Cr) | 20.0 – 24.0 |
| Tungsten (W) | 13.0 – 15.0 |
| Molybdenum (Mo) | 1.0 – 3.0 |
| Cobalt (Co) | ≤ 5.0 |
| Iron (Fe) | ≤ 3.0 |
| Manganese (Mn) | ≤ 0.5 |
| Silicon (Si) | ≤ 0.4 |
| Carbon (C) | 0.05 – 0.15 |
| Aluminum (Al) | ≤ 0.5 |
| Lanthanum (La) | 0.005 – 0.05 |
Applications
Haynes 230 alloy is widely used across industries requiring exceptional heat resistance and long service life.
Common Applications
- Gas turbine combustion chambers
- Aerospace exhaust components
- Industrial furnace parts
- Heat treatment fixtures
- Thermal processing equipment
- Petrochemical processing systems
- Heat exchangers and ducting systems
- High-temperature fasteners and structural components
FAQ
What is Haynes 230 alloy used for?
Haynes 230 alloy is mainly used in high-temperature environments such as gas turbines, heat treatment equipment, aerospace components, and industrial furnaces.
Is Haynes 230 corrosion resistant?
Yes. Haynes 230 provides excellent oxidation resistance and performs well in carburizing and nitriding atmospheres.
What forms are available for Haynes 230?
Haynes 230 is commonly supplied in sheet, plate, pipe, tube, bar, wire, and fitting forms.
What is the UNS number for Haynes 230?
The UNS designation for Haynes 230 alloy is UNS N06230.
Can Haynes 230 be welded?
Yes. Haynes 230 alloy offers good weldability using conventional welding techniques suitable for nickel-based alloys.
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Email: sales@hengyimetal.com
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