Inconel 718
INCONEL 718 (UNS N07718/W.Nr. 2.4668) is ahigh-strength, corrosion-resistant nickel chromium material used at -423° to 1300°F. The age-hardenable alloy can be readily fabricated, even into complex parts. Its welding characteristics, especially its resistance to postweld cracking, are outstanding. in foil form, it provides lightweight yet robust performance, offering flexibility for compact systems requiring both durability and resistance to thermal and mechanical cycling.
Dimensional
| Thickness | Maximum Width |
| 0.1 to 2.0mm | 450mm as rolled edge 400mm with a slit edge |
Mechanical Properties (Annealed)
| UTS (MPa) | Elongation (%) |
| 800-1360 | 15 |
Physical Properties
| Density | 8.19 g/cm3 | |
| Melting Point | 1260-1335°C | |
| Coefficient of thermal expansion Expansion (i) | 13x10-6 k-1 | |
| Thermal Conductivity | 11.2 W m⁻¹ K⁻¹ | |
| Modulus of elasticity |
|
* Typical values at room temperature of about 20 to 25°C
Typical application
aerospace, defense, and power generation industries, particularly in heat shielding, sealing layers, and protective barriers in turbines and reactors. Specific applications include aerospace engine thermal liners, defense-grade armor layers, and thin protective layers in turbomachinery, where both mechanical stability and oxidation resistance are critical.
Size
Available in thicknesses and widths per table.
Temper
Available in the annealed or as rolled condition.
Surface
Clean uniform surface, 1Ra - 16Ra without discoloration or surface defects. Available with a slit edge (typical burr <10% of strip thickness) or an as-rolled edge.
Packing
Properly packaged to avoid damage in transit. International packaging available upon request.
Conformance
ASTM B670, ASTM 906B AMS 5596.
