Inconel 718 — Nickel Superalloy Eigenschaften, Heat Treatment & Aerospace Anwendungen
AMS 5662 · Published: 2026-06-30 · Updated: July 2026
Inconel 718 is a precipitation-hardening nickel-chromium superalloy used extensively in jet engine turbine components and cryogenic applications to -250°C.
Inconel 718 ist ein precipitation-hardening nickel-chromium superalloy used extensively in jet motor turbine components und cryogenic applications zu -250°C.
Quick Facts
| Kategorie | |
| Norm | AMS 5662 |
| Density | 8190 |
| Yield Strength | 1100 MPa |
| Tensile Strength | 1375 MPa |
Global Equivalents & Cross-Reference
Verwandt Materials
🧮 Material Weight Calculator
Calculate the weight based on this material's density: 8190
References & International Standards
- ASTM International. Norm Specifications für Stahl & Metal Alloys. astm.org
- International Organization für Standardization (ISO). Metallic Materials — Cross-Referenz Database. iso.org
- American Iron und Stahl Institute (AISI). Stahl Güte Designations & Equivalents. steel.org
- European Committee für Standardization (CEN). EN Stahl Standards & Numbering System. cencenelec.eu
Nickel & Superalloys — Engineering Referenz
Nickel-based superalloys und specialty alloys operate in environments das würde destroy conventional steels: jet motor turbines bei 1,800°F, chemical reactors mit concentrated acid, deep-sea ausrüstung unter extreme pressure. Diese materials command premium prices — und premium engineering attention.
ASTM B168/B435/B637, AMS 5544/5596, ISO 6208/9723
Gas turbine blades, nuclear reactor components, chemical processing ausrüstung, öl & gas downhole tools, aerospace fasteners, medical prosthetics
Nickel alloy fabrication requires specialized welding procedures. Inconel 718 ist typically welded in der solution-annealed condition, dann age-hardened. Hastelloy C276 requires niedrig heat input zu prevent sensitization. Immer consult der mill's recommended welding parameters.