Materials / Compare
Nickel Inconel 718 vs. SLA Resin Elastic 50A
Compare Nickel Inconel 718 vs. SLA Resin Elastic 50A strength, stiffness, weight and thermal properties.
| Try it on a partA bracket 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 | 3.4MPasourcetypical |
| Elongation at break | 20%sourcetypical, 1.0 in. bar | 160%sourcetypical |
| Young's modulus (stiffness) | 200GPasourcetypical, 21 °C, annealed + aged | not sourced |
| Density | 8,221kg/m³sourcenominal, annealed and aged | 1,010kg/m³sourcetypical |
| Strength to weight | 147kN·m/kg43.6x higher | 3.37kN·m/kg |
| 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) | not sourced |
| Thermal expansion | 13.2µm/m·Ksourcetypical, mean 21-93 °C, annealed + aged | not sourced |
| 100 mm part over a 50 °C swing | 66µm growth | not sourced |
| Specific heat | 435J/kg·Ksourcetypical, 21 °C | not sourced |
| 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 |
| Glass transition | not sourced | -34.5°CsourceDMA |
| 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 | Formlabs Elastic 50A Resin V2 (FLELCL02), TDS Rev. 01 24.01.2024; parts printed on Form 3, 100 µm, Elastic 50A V2 settings and post-processing; tensile on Die C specimens cut from printed sheets after 3+ h at 23 °C. |
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.
SLA Resin Elastic 50A is 3D printed: its properties depend on build direction and print settings; these are typical values.
Questions
Is Nickel Inconel 718 stronger than SLA Resin Elastic 50A?
Nickel Inconel 718 is stronger: its yield strength is 1,207 MPa against tensile strength 3.4 MPa for SLA Resin Elastic 50A (355x).
Which is lighter, Nickel Inconel 718 or SLA Resin Elastic 50A?
SLA Resin Elastic 50A is lighter: 1,010 kg/m³ against 8,221 kg/m³ for Nickel Inconel 718.
Which is lighter for the same job, Nickel Inconel 718 or SLA Resin Elastic 50A?
For the same stiffness or strength: Nickel Inconel 718 is lighter for a strong rod or tie, strong beam, strong panel or plate.
| Part that must be | Nickel Inconel 718 | SLA Resin Elastic 50A |
|---|---|---|
| Strong rod or tie | lighter | 43.6x heavier |
| Strong beam | lighter | 6.16x heavier |
| Strong panel or plate | lighter | 2.31x heavier |
For the same stiffness or strength, mass scales with density over stiffness (or strength) raised to a power set by how the part is loaded: 1 for a rod in tension, 1/2 for a beam in bending, 1/3 for a panel (the standard material-selection indices).
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