Inconel 718 F
metalInconel 718 is a nickel-iron-based superalloy strengthened by γ'' (Ni₃Nb) precipitates, used extensively in jet engines, gas turbines, and high-temperature aerospace applications requiring strength retention to ~650°C. The F condition is the as-fabricated state (annealed after final fabrication without precipitation hardening), providing lower strength but superior ductility and machinability compared to aged conditions, making it suitable for applications requiring post-delivery aging or intermediate machining operations.
turbine diskscombustor linersrocket engineshigh-temperature fastenersAM/SLM
Compliance & Regulations
?ITAR?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
Property OverviewNormalized to typical max values
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| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Compressive Modulus(Ec) | 30,900 | ksi | 22°C · Sheet | ||
Compressive Tangent Modulus vs Stress(Etn(σ)) | Curve (12 pts) | ksi | 21°C · L | ||
Fatigue Crack Growth Rate(da/dN) | Curve (6 pts) | m/cycle | 538°C | ||
Fracture Toughness(KIC) | 94.65 | ksi·√in | — | — | |
Hardness (Vickers)(HV) | 390 | HV | — | — | |
Poisson's Ratio(ν) | 0.2840 | - | — | — | |
Poisson's Ratio vs Temperature(ν(T)) | Curve (17 pts) | - | — | ||
Shear Modulus(G) | 11,400 | ksi | 22°C · Sheet | ||
S–N Curve (Wöhler)(S–N) | — | ksi | 5 entriesClick to expand | ||
Stress Rupture Curve(σr(t)) | Curve (12 pts) | ksi | 538°C | ||
Stress–Strain Curve(σ–ε) | Curve (11 pts) | ksi | 20°C | ||
Stress–Strain Curve (buckling region, ≤ 2% strain)(σ–ε (low-strain)) | Curve (10 pts) | ksi | 21°C · L | ||
Ultimate Tensile Strength(σUTS) | Curve (16 pts) | ksi | L | ||
UTS vs Time (Creep Strength)(Ftu(t)) | Curve (16 pts) | ksi | 538°C | ||
Yield Strength (0.2% offset)(σy) | 171.9 | ksi | AMS 5664 | — | |
Yield Strength vs Temperature(σy(T)) | Curve (8 pts) | ksi | — | ||
Young's Modulus(E) | 24,946.5 | ksi | 649°C | — | |
Young's Modulus vs Temperature(E(T)) | Curve (8 pts) | ksi | — | ||
N entriesMultiple entries per property — large groups are collapsed; click a summary row to expand. Use filters above to narrow by form / heat treatment / basis.
Rows with are inherited from the base material
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
CTE vs Temperature(α(T)) | Curve (10 pts) | µin/in·°F | — | ||
Specific Heat Capacity(Cp) | 0.1039 | BTU/(lb·°F) | — | — | |
Thermal Conductivity(k) | 6.587 | BTU/(hr·ft·°F) | 22°C | — | |
Thermal Conductivity vs Temperature(k(T)) | Curve (8 pts) | BTU/(hr·ft·°F) | — |
Rows with are inherited from the base material
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 0.2959 | lb/in³ | — | — |
Rows with are inherited from the base material
Verified Unverified Low confidence (<80%) Link to source
Regulatory Screening
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Industry-Specific
RoHS, REACH, and Prop 65 statuses are validated against official substance lists (ECHA SVHC Candidate List, OEHHA Prop 65, RoHS Annex II). Other regulations are estimated from composition and material classification. All screening is a starting point for due diligence — always verify with your supplier before making compliance decisions.