About Alloy
The Hastelloy X nickel alloy, with higher iron content, has favorable resistance to oxidation and corrosion combined with excellent creep and rupture strength at temperatures under 900℃. In addition to this, Hastelloy alloy X has great fabricability by cold and hot working and good weldability.
High degree of oxidation resistance up to 2200° F
Outstanding high-temperature strength
Easily fabricated including forming and welding
Good ductility after prolonged exposure at high-temperatures
Good resistance to chloride stress-corrosion cracking
Resistant to carburization and nitriding
Develops a protective oxide film that does not spall off
In summary, Hastelloy X is a high-performance alloy known for its exceptional high-temperature strength, oxidation resistance, and fabricability, making it well-suited for applications in gas turbines, industrial furnaces, aircraft engines, and other industries where exposure to extreme temperatures and aggressive conditions is a concern. Its versatility, reliability, and resistance to corrosion make it a valuable material for critical components in demanding industrial applications.
Product Form
Bar and forgings: ASTM B572, AMS 5754
Sheet, Strip and Plate: ASTM B435, AMS 5536
Wire: ASTM B166, AMS 5798
Pipe: ASTM B622/ASTM B619/ASTM B626/AMS 5588/AMS 5587
Chemical Composition
|
Composition |
Ni |
Cr |
Fe |
Mo |
W |
Co |
C |
Mn |
Si |
S |
Cu |
Al |
Ti |
|
|
Content (%) |
Min. |
Bal. |
20.5 |
17 |
8 |
0.2 |
0.5 |
0.05 |
||||||
|
Max. |
23 |
20 |
10 |
1 |
2.5 |
0.15 |
1 |
1 |
0.015 |
0.5 |
0.15 |
0.5 |
||
Property
|
Tensile Strength (σb/MPa) |
Yield Strength (σp0.2/MPa) |
Elongation (σ5/%) |
|
690 |
275 |
30 |
Application
Gas Turbines: Hastelloy X is utilized in gas turbine components, such as combustion chambers, afterburners, and exhaust systems, due to its exceptional high-temperature strength, oxidation resistance, and thermal stability. These properties make it well-suited for withstanding the demanding conditions within gas turbine engines.
Aircraft Components: The alloy finds application in aircraft engine parts, including turbine blades, combustor liners, and other components exposed to high temperatures and corrosive environments. Its ability to maintain mechanical properties at elevated temperatures makes it valuable for aerospace applications.
Industrial Furnaces: Hastelloy X is employed in the construction of industrial furnaces, heat-treating equipment, and high-temperature processing systems due to its resistance to oxidation and its capability to withstand thermal cycling and high-temperature environments.
Petrochemical Industry: The alloy is used in the petrochemical industry for applications involving high-temperature and corrosive environments, including components in refining processes, chemical production, and high-temperature piping systems.
Power Generation: Hastelloy X is applied in power generation facilities for components exposed to high-temperature and high-stress conditions, such as in boiler systems, heat exchangers, and other critical equipment.
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