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INCONEL alloy 718 (UNS N07718/W.Nr. 2.4668) is a high-strength, corrosion-resistant nickel chromium material used at -423° to 1300°F. Age hardenable and may be welded in fully aged condition, Excellent oxidation resistance up to 1800 degrees F (980 degrees C). Typically sold in the solution annealed temper, but can be ordered aged, cold worked, or cold worked & aged.
Grade | C≤ | Mn≤ | Si≤ | S≤ | Cu≤ | Ni | Cr | Co≤ | Mo | Ti | Al | Fe | Nb+Ta | P≤ | B≤ | Ti |
Inconel 718 | 0.08 | 0.35 | 0.35 | 0.015 | 0.30 | 50.0-55.0 | 17.0-21.0 | 1.0 | 2.8-3.3 | 0.65-1.15 | 0.2-0.8 | Remainder | 4.75-5.5 | 0.015 | 0.006 | 0.65-1.15 |
Mechanical properties | Tensile, min, ksi[MPa] | Yield, min, ksi[MPa] | Elongation, %(min) |
Alloy 718 | 185[1275] | 150[1034] | 12 |
STANDARD | WERKSTOFF NR. | UNS | JIS |
Inconel 718 | 2.4668 | N07718 | NCF 718 |
Inconel 718 Specifications
Form | Bar | Plate&Sheet | Tube | Pipe | Forging |
Standard | ASTM B637/AMS 5662/AMS 5663/AMS 5664/PWA 1009/PWA 1010/GE B50TF15 | ASTM B670/AMS 5596/AMS 5597/ ASTM B637 | AMS 5589/ AMS 5590 | AMS 5589/ AMS 5590 | ASTM B637 /AMS 5562 /AMS 5663 /AMS 5664 /PWA 1009 /PWA 1010 /GE B50TF15 |
Inconel 718 Application:
Cryogenic engineering
Acid environment
Nuclear Engineering
Steam turbine
Liquid fuel rocket
