Alloy 718 / UNS N07718
Precipitation-hardenable nickel-chromium superalloy combining high strength, fatigue resistance and useful corrosion resistance at elevated temperature.
Request Alloy 718 QuoteAlloy 718 Can Be Supplied in Multiple Forms.
UNS N07718 can be reviewed in different product forms to match fabrication, machining and project requirements. Final availability depends on specification, dimensions, heat-treatment condition, quantity and inspection requirements.
Bar & Rod
Forged, rolled, peeled and machined bar supplied to project dimensions and finishing requirements.
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Pipe & Tube
Seamless pipe, straight tube and U-bend tube for process, pressure and heat-transfer service.
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Sheet & Plate
Plate and sheet for pressure equipment, vessels, exchangers, high-temperature service and fabrication.
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Wire
Alloy wire for welding, springs, heating, forming and engineered applications.
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Strip
Cold-rolled and precision strip for heat-resistant, electrical, spring and specialty component applications.
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Forgings
Custom forged bars, rings, blanks and near-net components for demanding mechanical and thermal service.
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Welding Materials
Nickel and nickel-alloy welding wire and specialty welding materials for compatible fabrication and repair.
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Machined Parts
Drawing-based components with material traceability, machining control and inspection support.
Request this form →Overview & Key Features
Alloy 718 is a core engineering alloy for aerospace, turbine, energy and high-performance oil & gas components. Tight control of melting, forging, heat treatment and testing is important to achieving the required properties.
Applications
Turbine and aerospace components, shafts, fasteners, high-strength oilfield parts, power-generation equipment, forged and machined components.
Manufacturing Support
VIM/ESR routes, forging, heat treatment, finishing and mechanical verification can be reviewed according to the required specification, drawing and heat-treatment condition.
Composition, Mechanical Properties & Product Standards
Description
Specifications
| UNS | W.Nr |
| N077185 | 2.4668 |
| Grade | % | Ni | Cr | Fe | Mo | Nb | C | Mn | Si | S | Cu | Al | Ti | B |
| 718 | Min | 50 | 17 | Bal. | 2.8 | 4.75 | 0.20 | 0.65 | ||||||
| Max | 55 | 21 | 3.3 | 5.50 | 0.08 | 0.35 | 0.35 | 0.015 | 0.30 | 0.80 | 1.15 | 0.006 |
| Tensile Strength σb/MPa | Yield Strength σp0.2/MPa | Elongation σ5 /% |
| 965 | 550 | 30 |
| Bar | Forging | Sheet/Strip | Wire |
| ASTM B637 | ASTM B637 | ASTM B670 | AMS 5832 |