DESCRIPTION
Incoloy® alloy A-286 is an age-hardenable Iron-Nickel-Chromium alloy with high strength and corrosion resistance at elevated temperatures. Incoloy® A-286 can operate from cryogenic temperatures up to 750°F.
Applicable Specifications
Wire & Bar:
AMS 5726, AMS 5731, AMS 5732, AMS 5734, AMS 5737, AMS 5804, AMS 5805, AMS 5810, AMS 5853, ASTM A638, NACE MR0175 (ISO 15156-3).
Applications
Fasteners and springs.
Industries Supplied
Automotive and Aerospace.
Nominal Composition
Ni: 24.0 – 27.0
Cr: 13.5 – 16.0
Ti: 1.9 – 2.35
Mo: 1.0 – 1.5
Mn: 2.0 max
Si: 1.0 max
Fe: balance
Al: 0.35 max
V: 0.1 – 0.5
C: 0.08 max
S: 0.030 max
Physical Properties
Density:
0.287 lb/in3, (7.94 g/cm3)
Modulus of Elasticity (E):
At 70°F (20°C): 28.8 x 103 ksi (199 GPa)
Modulus of Rigidity (G):
At 70°F (20°C): 11.2 x 103 ksi (77.0 GPa)
Coefficient of Expansion:
9.47 µin/in.-°F (70°F to 600°F)
17.0 µm/m-°C (20°C to 300°C)
Electrical Resistivity:
35.8 µΩ.in, (91 µΩ.cm)
Thermal Conductivity:
88 Btu-in/ft2hr-°F, (12.7 W/m-K)
Typical Mechanical Properties – Spring Applications
Annealed
- Heat Treatment: 1800°F (980°C)
- Tensile Strength: 80 – 110 ksi; (550-760 MPa)
- Suggested Operating Conditions: -300°F to 750°F (-184°C to 400°C)
Annealed + Aged
- Heat Treatment: After spring coiling. Age: 1300 – 1400°F (704°C to 760°C) for 16 hours.
- Tensile Strength: 160 – 190 ksi; (1100 – 1300 MPa)
- Suggested Operating Conditions: -300°F to 750°F (-184°C to 400°C)
Spring Temper
- Tensile Strength: 160 – 190 ksi; (1100 – 1310 MPa)
- Suggested Operating Conditions: -300°F to 750°F (-184°C to 400°C
)
Spring Temper + Aged
- Heat Treatment: After spring coiling. Age: 1300 – 1400°F (704°C to 760°C) for 8 hours
- Tensile Strength: 200 – 240 ksi; (1379 – 1655 MPa)
- Suggested Operating Conditions: -300°F to 750°F (-184°C to 400°C
)
Incoloy® is a registered trade mark of the Special Metals Corporation group of companies.
For further information Contact:
CONTACT US
Phone: 1.847.695.1900
Elgiloy Specialty Metals – Wire Products
356 N.Cross Street
Sycamore, IL 60178 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.
