ECER supplies premium Inconel 718 (UNS N07718 / W.Nr. 2.4668) nickel-chromium alloy round bars engineered for extreme high-temperature and corrosive environments. As a precipitation-hardenable nickel-based superalloy, Inconel 718 delivers exceptional tensile strength, creep resistance, and fatigue life up to 704°C (1300°F), making it the material of choice for critical aerospace and energy applications.
| Condition | Description | Typical Hardness |
|---|---|---|
| Solution Annealed | Heated to 927-1010°C, air cooled or faster. Optimal for subsequent machining and forming. | 240-300 HBW |
| Aged (Precipitation Hardened) | Solution annealed + 718°C/8h furnace cool to 621°C + 621°C/8h air cool. Maximum strength condition per AMS 5662. | 331-400 HBW |
| Hot Rolled | Rolled above recrystallization temperature. Suitable for general structural applications. | As rolled |
| Cold Drawn | Drawn at room temperature for enhanced surface finish and dimensional tolerance (h9/h10). | Work hardened |
| Element | Ni | Cr | Fe | Nb+Ta | Mo | Ti | Al | Co | C |
|---|---|---|---|---|---|---|---|---|---|
| Spec | 50.0-55.0 | 17.0-21.0 | Balance | 4.75-5.50 | 2.80-3.30 | 0.65-1.15 | 0.20-0.80 | ≤1.0 | ≤0.08 |
| Property | Minimum Value | Typical Value |
|---|---|---|
| Tensile Strength | 1275 MPa (185 ksi) | 1380 MPa (200 ksi) |
| Yield Strength (0.2% Offset) | 1034 MPa (150 ksi) | 1138 MPa (165 ksi) |
| Elongation in 4D | 12% | 18% |
| Reduction of Area | 15% | 25% |
| Hardness | 331 HBW | 370 HBW |
Every shipment includes a 3.1 Material Test Certificate (per EN 10204) with chemical analysis, mechanical test results, and dimensional inspection data. Ultrasonic testing (per AMS 2630), eddy current, and liquid penetrant inspection available upon request. Our Inconel 718 round bars are fully traceable from melt source to final delivery.









Contact ECER today for a competitive quote on Inconel 718 round bars. Custom sizes, cut-to-length service, and testing certifications available to meet your project specifications.