Hastelloy® alloy X

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Applications

Combustion chambers, gas turbine engine components such as honeycomb seals, compressor vanes and combustor cases.

Description

Hastelloy^® alloy X is a nickel-chromium-iron-molybdenum alloy that possesses an exceptional combination of oxidation resistance, fabricability and high-temperature strength. Alloy X exhibits good ductility after prolonged exposure to high temperatures.

Industries Supplied

Aerospace, Industrial Furnaces, Petrochemical, and Chemical Processing.

Nominal Composition

C: 0.05 – 0.15
Mn: 1.0 max
Si: 1.0 max
P: 0.040 max
S: 0.030 max
Cr: 20.50 – 23.00
Co: 0.50 – 2.50
Mo: 8.0 – 10.0 
W: 0.20 – 1.0
Fe: 17.0 – 20.0
Al: 0.50 max 
Ti: 0.15 max
Ni: Balance

Physical Properties

Density: 0.297 lb/in³, (8.22 g/cm³)

Modulus of Elasticity (E): 
At 70°F (20°C): 29.8 x 103 ksi (205 GPa)

Modulus of Rigidity (G): 
At 70°F (20°C): 11.3 x 10³ ksi (77.6 GPa)

Coefficient of Expansion:
8.1 µin/in.-°F (70°F to 1000°F)
14.5 µm/m-°C (20°C to 538°C)

Electrical Resistivity: 46.6 µΩ.in, (118.36 µΩ.cm)

Thermal Conductivity: 63.0 Btu-in/ft²hr-°F, (9.1 W/m-K)

Applicable Specifications

Strip and Foil: AMS 5536

Typical Mechanical Properties

• Annealed
  • Heat Treatment: 2125°F (1163°C)
  • Tensile Strength: 105 ksi (MPa) min
  • Suggested Operating Conditions: -300°F to 2200°F (-184°C to 1205°C)

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Hastelloy^® is a registered trademark of Haynes International, Inc.

For further information Contact:

Email: stripinfo@elgiloy.com
Phone: 1 888 843 2350 
Elgiloy Specialty Metals – Strip Products
1565 Fleetwood Dr.
Elgin, IL 60123 USA