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