Inconel 718 Manufacturer & Supplier
Precipitation hardened nickel alloy that holds high strength to around 700 °C. Used for hot-section, propulsion and high-load components where stainless and titanium both run out of temperature capability.
UNS: ASTM B637 / AMS 5663 · UNS N07718 | Category: Nickel Alloys
Size Range
Outer Diameter: Bar 10 mm to 300 mm · sheet and plate to order
Chemical Composition (%)
| Ni | Cr | Nb+Ta | Mo |
|---|---|---|---|
| 50.0-55.0 | 17.0-21.0 | 4.75-5.50 | 2.80-3.30 |
Mechanical Properties
- Tensile Strength
- 1275 MPa min (aged)
- Yield Strength
- 1034 MPa min
- Elongation
- 12% min
- Service
- to approximately 700 °C
Applicable Standards
- AMS 4911
- AMS 5663
- ASTM B265
- ASTM B637
- EN 10204 3.1
Applications
- Propulsion and hot-section components
- High load fasteners and lugs
- Launcher and mount hardware
- Valve and actuator parts
- Overhaul and spares replacement stock
Industries Served
- Aerospace & Space
- Ordnance & Ammunition
- Defence MRO
- Armoured Vehicles
- Naval Shipbuilding
- General Engineering
Equivalent Grades
- UNS N07718
- UNS N07718
- AMS 5663
- AMS 5663
- ASTM B637
- ASTM B637
- Alloy 718
- Alloy 718
- 2.4668
- 2.4668