Materials / Compare
DMLS 17-4PH Stainless Steel vs. Wood
Compare DMLS 17-4PH Stainless Steel vs. Wood 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) | 99MPasourcemodulus of rupture (no direct tensile value) |
| Compressive strength | not sourced | 46.6MPasourcecompression parallel to grain (maximum crushing strength), 12% MC |
| Flexural strength | not sourced | 99MPasourcemodulus of rupture (static bending), 12% MC |
| Elongation at break | 19.9%sourcemean at break, as built, horizontal | not sourced |
| Young's modulus (stiffness) | 197GPasourcebase material: wrought 17-4 PH, Condition H 900 (Cleveland-Cliffs) | 12.5GPasourcebending MOE, parallel to grain |
| Density | 7,790kg/m³sourcemean part density (ISO 3369) | not sourced |
| Strength to weight | 110kN·m/kg | not sourced |
| Stiffness to weight | 25.3MN·m/kg | not sourced |
| Poisson's ratio | 0.272sourcebase material: wrought 17-4 PH, all conditions (Cleveland-Cliffs) | 0.35sourcemu_LR (red oak group, ~12% MC) |
| Shear modulus | 77.4GPa16.7x stiffer in shear | 4.63GPa |
| Bulk modulus | 144GPa | 13.9GPa |
| 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) | 0.18W/m·Ksourceacross grain, 12% MC (Table 4-7, approximate) |
| Thermal expansion | 10.4µm/m·Ksourcemean 25-100 °C, ASTM E228, AFTER atmospheric heat treatment (as-built value not published) | 3.1–4.5µm/m·Ksourceparallel to grain, ovendry wood, range across species |
| 100 mm part over a 50 °C swing | 52µm growth | 19µm growth2.74x less |
| Specific heat | 460J/kg·Ksourcebase material: wrought 17-4 PH, Condition A, 0-100 °C (Cleveland-Cliffs) | 1,700J/kg·Ksourcesolid wood (all species), 12% MC, 27 C |
| Heats up and cools (diffusivity) | 5mm²/s | not sourced |
| Thermal shock resistance | 5,474W/m22.4x more resistant | 244W/m |
| 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 | Northern red oak (Quercus rubra), clear straight-grained specimens at 12% MC, parallel to grain unless stated; USDA FPL Wood Handbook FPL-GTR-282 (2021) Ch. 4 and Ch. 5 |
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 is 3D printed: its properties depend on build direction and print settings; these are typical values.
Questions
Is DMLS 17-4PH Stainless Steel stronger than Wood?
DMLS 17-4PH Stainless Steel is stronger: its yield strength is 861 MPa against tensile strength 99 MPa for Wood (8.69x).
Which is stiffer, DMLS 17-4PH Stainless Steel or Wood?
DMLS 17-4PH Stainless Steel is stiffer: Young's modulus 197 GPa against 12.5 GPa for Wood, so the same part in DMLS 17-4PH Stainless Steel deflects less under the same load.
Which conducts heat better, DMLS 17-4PH Stainless Steel or Wood?
DMLS 17-4PH Stainless Steel conducts heat better: 17.9 W/m·K against 0.18 W/m·K for Wood.
Which expands less with temperature?
Wood expands less: 3.8 µm/m·K against 10.4 µm/m·K for DMLS 17-4PH Stainless Steel.