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DMLS 17-4PH Stainless Steel vs. SLA Resin Elastic 50A
Compare DMLS 17-4PH Stainless Steel 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 | 861MPasourcemean, as built, horizontal (N=72) | not given (tensile used) |
| Ultimate tensile strength | 886MPasourcemean, as built, horizontal (N=72) | 3.4MPasourcetypical |
| Elongation at break | 19.9%sourcemean at break, as built, horizontal | 160%sourcetypical |
| Young's modulus (stiffness) | 197GPasourcebase material: wrought 17-4 PH, Condition H 900 (Cleveland-Cliffs) | not sourced |
| Density | 7,790kg/m³sourcemean part density (ISO 3369) | 1,010kg/m³sourcetypical |
| Strength to weight | 110kN·m/kg32.8x higher | 3.37kN·m/kg |
| Stiffness to weight | 25.3MN·m/kg | not sourced |
| Poisson's ratio | 0.272sourcebase material: wrought 17-4 PH, all conditions (Cleveland-Cliffs) | not sourced |
| Shear modulus | 77.4GPa | not sourced |
| Bulk modulus | 144GPa | not sourced |
| Speed of sound | 5,029m/s | not sourced |
| Thermal | ||
| Thermal conductivity | 17.9W/m·Ksourcebase material: wrought 17-4 PH, Condition H 900, at 149 °C (Cleveland-Cliffs) | not sourced |
| Thermal expansion | 10.4µm/m·Ksourcemean 25-100 °C, ASTM E228, AFTER atmospheric heat treatment (as-built value not published) | not sourced |
| 100 mm part over a 50 °C swing | 52µm growth | not sourced |
| Specific heat | 460J/kg·Ksourcebase material: wrought 17-4 PH, Condition A, 0-100 °C (Cleveland-Cliffs) | not sourced |
| Heats up and cools (diffusivity) | 5mm²/s | not sourced |
| Thermal shock resistance | 5,474W/m | not sourced |
| Glass transition | not sourced | -34.5°CsourceDMA |
| Values for | EOS StainlessSteel 17-4PH IndustryLine (powder 9011-0041), EOS M 290, 40 µm, default job 17-4PH_040_StainlessM291_100, as built, horizontal; ISO 6892 & ASTM E8M | 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.
DMLS 17-4PH Stainless Steel and SLA Resin Elastic 50A are 3D printed: their properties depend on build direction and print settings; these are typical values.
Questions
Is DMLS 17-4PH Stainless Steel stronger than SLA Resin Elastic 50A?
DMLS 17-4PH Stainless Steel is stronger: its yield strength is 861 MPa against tensile strength 3.4 MPa for SLA Resin Elastic 50A (253x).
Which is lighter, DMLS 17-4PH Stainless Steel or SLA Resin Elastic 50A?
SLA Resin Elastic 50A is lighter: 1,010 kg/m³ against 7,790 kg/m³ for DMLS 17-4PH Stainless Steel.
Which is lighter for the same job, DMLS 17-4PH Stainless Steel or SLA Resin Elastic 50A?
For the same stiffness or strength: DMLS 17-4PH Stainless Steel is lighter for a strong rod or tie, strong beam, strong panel or plate.
| Part that must be | DMLS 17-4PH Stainless Steel | SLA Resin Elastic 50A |
|---|---|---|
| Strong rod or tie | lighter | 32.8x heavier |
| Strong beam | lighter | 5.19x heavier |
| Strong panel or plate | lighter | 2.06x 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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