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Inconel 718 Wire
1 . Descriptions:
Inconel 718 is a precipitation hardenable nickel-based alloy designed to display exceptionally high yield, tensile and creep-rupture properties at temperatures up to 1300°F (704°C). The age-hardening response of Inconel 718 permits annealing and welding without spontaneous hardening during heating and cooling. Nickel Alloy 718 has excellent weldability when compared to the nickel-base super alloys hardened by aluminum and titanium. Nickel Alloy 718 is used in aircraft engine parts and high-speed airframe parts such as wheels, buckets, spacers, and high temperature bolts and fasteners.
2 . Chemical Composition:
| Grade | C | Mn | Si | P | S | Cr | Ni | Mo | Nb | Ti | Al | Co | Fe |
| Inconel 718 | ≤0.08 | ≤0.35 | ≤0.35 | ≤0.015 | ≤0.015 | 17.0～21.0 | 50.0～55.0 | 2.80～3.30 | 4.75～5.50 | 0.65～1.15 | 0.20～0.80 | ≤1.0 | Bal |
3 . Specification:
| UNS | Trademark | W.Nr |
| N07718 | Inconel 718 | 2.4668 |
| Product | Yield Strength Max (0.2% Offset) | Ultimate Tensile Strength Max | Elongation (% in 2") |
| Sheet and Strip | 80,000 psi (550 MPa) | 14,000 (965 MPa) | 30 (min) |
| Plate | 105,000 psi (725 MPa) | 150,000 (1,035 MPa) | 30 (min) |
5 . Solution Treated plus Precipitation Heat Treatment
| Yield Strength Min (0.2% Offset) | Ultimate Tensile Strength Min | Elongation (% in 2") |
| 150,000 (1,035 MPa) | 180,000 (1,240 MPa) | 12 (min) |
6 . Applications:
Uses for Inconel 718 tend to be in the field of gas turbine components and cryogenic storage tanks. Jet engines, pump bodies and parts, rocket motors and thrust reversers, nuclear fuel element spacers, hot extrusion tooling. Other popular uses are high strength bolting, and down hole shafting.
