Inconel 718 is the dominant nickel superalloy for gas turbine engine disks and casings, accounting for over 50% of all superalloy production. Excellent high-temperature strength up to ~650°C and good weldability.
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81 interactive curves for this material
Stress-strain, S-N fatigue and environmental knockdown curves are free with an account.
Create free account| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Compressive Modulus(Ec) | 213.0 | GPa | 22°C · Sheet | ||
Compressive Tangent Modulus vs Stress(Etn(σ)) | — | Pa | 5 entriesClick to expand | ||
Fatigue Crack Growth Rate(da/dN) | — | m/cycle | 8 entriesClick to expand | ||
Fracture Toughness(KIC) | 104,000,000 | Pa·√m | — | — | |
Hardness (Vickers)(HV) | 390 | HV | — | — | |
Poisson's Ratio(ν)2 entries | 0.2840 | - | — | — | |
| ↳ | 0.2900 | - | 22°C | ||
Poisson's Ratio vs Temperature(ν(T)) | Curve (17 pts) | - | — | ||
Shear Modulus(G)2 entries | 78.60 | GPa | 22°C · Sheet | ||
| ↳ | Curve (14 pts) | Pa | — | ||
S–N Curve (Wöhler)(S–N) | — | Pa | 29 entriesClick to expand | ||
Stress Rupture Curve(σr(t)) | — | Pa | 16 entriesClick to expand | ||
Stress–Strain Curve(σ–ε)2 entries | Curve (11 pts) | Pa | 20°C | ||
| ↳ | Curve (101 pts) | Pa | 21°C · L | ||
Stress–Strain Curve (buckling region, ≤ 2% strain)(σ–ε (low-strain)) | — | Pa | 10 entriesClick to expand | ||
Ultimate Tensile Strength(σUTS) | Curve (16 pts) | Pa | L | ||
UTS vs Time (Creep Strength)(Ftu(t))4 entries | Curve (16 pts) | Pa | 538°C | ||
| ↳ | Curve (18 pts) | Pa | 593°C | ||
| ↳ | Curve (69 pts) | Pa | 649°C | ||
| ↳ | Curve (28 pts) | Pa | 704°C | ||
Yield Strength (0.2% offset)(σy)2 entries | 1.185 | GPa | AMS 5664 | — | |
| ↳ | Curve (14 pts) | Pa | L | ||
Yield Strength vs Temperature(σy(T)) | Curve (8 pts) | Pa | — | ||
Young's Modulus(E)3 entries | 172.0 | GPa | 649°C | — | |
| ↳ | 202.7 | GPa | 22°C · Sheet | ||
| ↳ | Curve (12 pts) | Pa | — | ||
Young's Modulus vs Temperature(E(T)) | Curve (8 pts) | Pa | — | ||
2 interactive curves for this material
Stress-strain, S-N fatigue and environmental knockdown curves are free with an account.
Create free account| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
CTE vs Temperature(α(T)) | Curve (10 pts) | 1/K | — | ||
Specific Heat Capacity(Cp) | 435 | J/(kg·K) | — | — | |
Thermal Conductivity(k) | 11.40 | W/(m·K) | 22°C | — | |
Thermal Conductivity vs Temperature(k(T)) | Curve (8 pts) | W/(m·K) | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ)2 entries | 8.190 | kg/m³ | — | — | |
| ↳ | 8.221 | kg/m³ | 22°C |