Haynes® Hastelloy® X alloy, sheet, tested at 650°C (1200°F)


Subcategory: Metal; Nickel Base; Superalloy

Key Words: AMS 5798, AMS 5799, AMS 5888, UNS N06002, AMS 5536, AMS 5588, AMS 5754

Component   Wt. %
BMax 0.008 
C0.1 
Co1.5 
Cr22 
Component   Wt. %
Fe18 
MnMax 1 
Mo9 
Component   Wt. %
Ni47 
SiMax 1 
W0.6 

Material Notes:
Solid-solution-strengthened with very good high-temperature strength and very good resistance to oxidizing environments up to about 1095°C, and good carburization resistance. Applications include materials for fabricated or forged parts in gas turbine engines, and chemical and petrochemical plants, power plant and industrial heating applications.

Data provided by the manufacturer, Haynes International, Inc.

Physical PropertiesMetricEnglishComments
Density8.22 g/cc0.297 lb/in³ at RT.

Mechanical Properties
Tensile Strength, Ultimate570 MPa82700 psi 
Tensile Strength, Yield245 MPa35500 psi at 0.2%
Elongation at Break54 %54 % in 51 mm
Modulus of Elasticity205 GPa29700 ksi 20°C
Modulus of Elasticity at Elevated Temperature139 GPa20200 ksi 1000°C (1830°F)
Modulus of Elasticity at Elevated Temperature151 GPa21900 ksi 900°C (1650°F)
Modulus of Elasticity at Elevated Temperature158 GPa22900 ksi 800°C (1470°F)
Modulus of Elasticity at Elevated Temperature166 GPa24100 ksi 700°C (1290°F)
Modulus of Elasticity at Elevated Temperature174 GPa25200 ksi 600°C (1110°F)
Modulus of Elasticity at Elevated Temperature186 GPa27000 ksi 400°C (750°F)
Modulus of Elasticity at Elevated Temperature197 GPa28600 ksi 200°C (390°F)

Thermal Properties
CTE, linear 500°C15 µm/m-°C8.33 µin/in-°F 20-500°C (68-930°F)
CTE, linear 500°C15.3 µm/m-°C8.5 µin/in-°F 20-600°C (68-1110°F)
CTE, linear 500°C15.6 µm/m-°C8.67 µin/in-°F 20-700°C (68-1290°F)
CTE, linear 500°C16 µm/m-°C8.89 µin/in-°F 20-800°C (68-1470°F)
CTE, linear 500°C16.3 µm/m-°C9.06 µin/in-°F 20-900°C (68-1650°F)
CTE, linear 1000°C16.6 µm/m-°C9.22 µin/in-°F 20-1000°C (68-1830°F)
Thermal Conductivity at Elevated Temperature16.9 W/m-K117 BTU-in/hr-ft²-°F 400°C (390°F)
Thermal Conductivity at Elevated Temperature20.9 W/m-K145 BTU-in/hr-ft²-°F 600°C (1110°F)
Thermal Conductivity at Elevated Temperature22.8 W/m-K158 BTU-in/hr-ft²-°F 700°C (1290°F)
Thermal Conductivity at Elevated Temperature24.8 W/m-K172 BTU-in/hr-ft²-°F 800°C (1470°F)
Thermal Conductivity at Elevated Temperature26.7 W/m-K185 BTU-in/hr-ft²-°F 900°C (1650°F)
Thermal Conductivity at Elevated Temperature28.7 W/m-K199 BTU-in/hr-ft²-°F 1000°C (1830°F)
Melting Point1260 - 1355 °C2300 - 2470 °F 
Solidus1260 °C2300 °F 
Liquidus1355 °C2470 °F 
Maximum Service Temperature, Air1095 °C2000 °F 


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