Materials / Compare
Nickel Inconel 718 vs. Plywood
Compare Nickel Inconel 718 vs. Plywood strength, stiffness, weight and thermal properties.
| Try it on a partA sample part to run stress or thermal on, free in your browser | Open in LessCAD | Open in LessCAD |
|---|---|---|
| Mechanical | ||
| Yield strength | 1,207MPasourcetypical, 1.0 in. hot-rolled bar, 0.2% offset | not given (tensile used) |
| Ultimate tensile strength | 1,389MPasourcetypical, 1.0 in. bar | 41.4MPasourcemodulus of rupture (no direct tensile value) |
| Flexural strength | not sourced | 41.4MPasourcestatic bending MOR (Douglas-fir); range 33.72-42.61 across species |
| Elongation at break | 20%sourcetypical, 1.0 in. bar | not sourced |
| Young's modulus (stiffness) | 200GPasourcetypical, 21 °C, annealed + aged | 7.45GPasourcestatic bending MOE of the panel (Douglas-fir); range 6.96-8.55 across species |
| Density | 8,221kg/m³sourcenominal, annealed and aged | not sourced |
| Strength to weight | 147kN·m/kg | not sourced |
| Stiffness to weight | 24.3MN·m/kg | not sourced |
| Poisson's ratio | 0.294sourcetypical, 21 °C, annealed + aged | not sourced |
| Shear modulus | 77.3GPa | not sourced |
| Bulk modulus | 162GPa | not sourced |
| Speed of sound | 4,932m/s | not sourced |
| Thermal | ||
| Thermal conductivity | 11.4W/m·Ksourcetypical, 21 °C, annealed + aged (calculated from resistivity per footnote a) | 0.12W/m·KsourceAPA-recommended design value (Douglas-fir plywood), as reported by FPL/ORNL |
| Thermal expansion | 13.2µm/m·Ksourcetypical, mean 21-93 °C, annealed + aged | 3.1–4.5µm/m·Ksourcebase material: solid wood parallel to grain, ovendry, range across species |
| 100 mm part over a 50 °C swing | 66µm growth | 19µm growth3.47x less |
| Specific heat | 435J/kg·Ksourcetypical, 21 °C | 1,700J/kg·Ksourcebase material: solid wood (all species), 12% MC, 27 C |
| Heats up and cools (diffusivity) | 3.19mm²/s | not sourced |
| Thermal shock resistance | 3,680W/m | not sourced |
| Melting point | 1,260–1,336°Csourcemelting range | not sourced |
| Max service temperature | 704°Csourceupper use temperature stated by producer | not sourced |
| Values for | INCONEL alloy 718, standard grade, 1750 °F/1 hr anneal + 1325 °F/8 hr F.C. to 1150 °F aged; Special Metals bulletin SMC-045 typical values | Douglas-fir plywood sheathing (construction plywood per PS 1), static bending properties from USDA FPL Wood Handbook FPL-GTR-282 Ch. 12 Table 12-2 (Biblis 2000) |
Every value links to the document that states it. "Not sourced" means no citable source states it (or only a specification minimum); figures computed from it are left out too.
Questions
Is Nickel Inconel 718 stronger than Plywood?
Nickel Inconel 718 is stronger: its yield strength is 1,207 MPa against tensile strength 41.4 MPa for Plywood (29.2x).
Which is stiffer, Nickel Inconel 718 or Plywood?
Nickel Inconel 718 is stiffer: Young's modulus 200 GPa against 7.45 GPa for Plywood, so the same part in Nickel Inconel 718 deflects less under the same load.
Which conducts heat better, Nickel Inconel 718 or Plywood?
Nickel Inconel 718 conducts heat better: 11.4 W/m·K against 0.12 W/m·K for Plywood.
Which expands less with temperature?
Plywood expands less: 3.8 µm/m·K against 13.2 µm/m·K for Nickel Inconel 718.