Nickel Alloy X, Hastelloy® X
Also sold as Nickel Alloy X, Hastelloy® X is a popular and effective nickel-chromium-iron-molybdenum alloy. Nickel Alloy X and Hastelloy X offer users a wide range of principal features. These include:
- 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
 
Because of its outstanding capabilities, Nickel Alloy X and Hastelloy X are in use throughout the aircraft, furnace, petrochemical, and chemical processing industries. Some of the more popular applications include:
- Gas turbine engines
 - Transition ducts
 - Combustor cans
 - Spray bars and flame holders
 - Afterburners, tailpipes, and cabin heaters
 - Chemical processing retorts, muffles, and tubing
 
To be considered Nickel Alloy X or Hastelloy X, an alloy must meet certain levels of chemical composition including:
- Cr 20.5-23%
 - Fe 17-20%
 - Mo 8-10%
 - Mn 1% max
 - Si 1% max
 - C .05-.15%
 - Ni bal
 
At Continental Steel we have been a supplier of Nickel Alloy X and Hastelloy X in round bar and strip for many years. It is important to note that Nickel Alloy X and Hastelloy X meet the critical ASME Boiler and Pressure Vessel Code, along with other industry standards.
We stock and sell Nickel Alloy X, Nickel Alloy X, Hastelloy® X in Round Bar & Strip.
Chemical Composition of Nickel Alloy X and Hastelloy® X
C
.05 - .15
Cr
20.5 - 23.0
Co
0.5 - 2.5
Fe
17.0 - 20.0
Mn
1.0 max
Mo
8.0 - 10.0
Ni
bal
P
0.04 max
S
0.03 max
Si
1.0 max
W
0.2 - 1.0
