DESCRIPTION
HAYNES® 242® alloy is an age hardenable nickel-chromium-molybdenum alloy that combines high temperature strength, low thermal expansion, and good oxidation resistance. It derives its strength from a long range ordering reaction upon aging.
Applicable Specifications
Strip:
ASTM B434
Applications
Seal rings, containment rings, rocket nozzles, pumps, high temperature fluoride bearing environments.
Industries Supplied
Aerospace, Nuclear Fuel Processing and Chemical Processing.
Nominal Composition
C: 0.03 max
Mn: 0.80 max
Si: 0.80 max
P: 0.030 max
S: 0.015 max
Cr: 7.0 – 9.0
Co: 1.0 max
Mo: 24.0 – 26.0
Al: 0.50 max
Fe: 2.0 max
Cu: 0.50 max
B: 0.00 max
Ni: Balance
Physical Properties
Density:
0.327 lb/in3, (9.05 g/cm3)
Modulus of Elasticity (E):
At 70°F (20°C): 33.2 x 103 ksi (229 GPa)
Coefficient of Expansion:
6.8 µin/in.-°F (70°F to 1000°F)
12.2 µm/m-°C (20°C to 538°C)
Electrical Resistivity:
48.0 µΩ.in, (122.0 µΩ.cm)
Thermal Conductivity:
75.7 Btu-in/ft2hr-°F, (11.3 W/m-K)
Typical Mechanical Properties
Annealed
- Heat Treatment: 1900 – 2050°F (925 – 1120°C)
- Tensile Strength: 105 ksi (725 MPa) Min
- Suggested Operating Conditions: -300°F to 1800°F (-184°C to 982°C)
Annealed and Aged
- Heat Treatment: 1200°F, 24h
- Tensile Strength: 187 ksi (1288 MPa) typ
- Suggested Operating Conditions: -300°F to 1800°F (-184°C to 982°C)
HAYNES® and HAYNES® 242® alloy are registered trademarks of Haynes International, Inc.
For further information Contact:
CONTACT US
Phone: 1.888.843.2350
Elgiloy Specialty Metals – Strip Products
1565 Fleetwood Dr
Elgin, IL 60123 USA
Limitation of Liability and Disclaimer of Warranty:
- The content in these data sheets is provided primarily by third-party melting mills and is provided for reference only. It is not intended for engineering or design.
- Applications may be discussed, however, Elgiloy Specialty Metals, a Division of Combined Metals Company LLC, does not recommend or endorse any material for any particular end use or application.
- The data included in this data sheet are typical values and may vary.
- Elgiloy Specialty Metals, a Division of Combined Metals Company LLC, makes no representations or warranties, express or implied, as to the accuracy, completeness, condition, suitability, performance, fitness for a particular purpose, or merchantability of any information contained in any data sheet.
In no event will Elgiloy Specialty Metals, a Division of Combined Metals Company LLC, be liable for any damages whatsoever arising from the use of the information included in the data sheets.
