Materials / Compare
Plywood vs. DMLS 17-4PH Stainless Steel
Compare Plywood vs. DMLS 17-4PH Stainless Steel 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 | not given (tensile used) | 861MPasourcemean, as built, horizontal (N=72) |
| Ultimate tensile strength | 41.4MPasourcemodulus of rupture (no direct tensile value) | 886MPasourcemean, as built, horizontal (N=72) |
| Flexural strength | 41.4MPasourcestatic bending MOR (Douglas-fir); range 33.72-42.61 across species | not sourced |
| Elongation at break | not sourced | 19.9%sourcemean at break, as built, horizontal |
| Young's modulus (stiffness) | 7.45GPasourcestatic bending MOE of the panel (Douglas-fir); range 6.96-8.55 across species | 197GPasourcebase material: wrought 17-4 PH, Condition H 900 (Cleveland-Cliffs) |
| Density | not sourced | 7,790kg/m³sourcemean part density (ISO 3369) |
| Strength to weight | not sourced | 110kN·m/kg |
| 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 | 0.12W/m·KsourceAPA-recommended design value (Douglas-fir plywood), as reported by FPL/ORNL | 17.9W/m·Ksourcebase material: wrought 17-4 PH, Condition H 900, at 149 °C (Cleveland-Cliffs) |
| Thermal expansion | 3.1–4.5µm/m·Ksourcebase material: solid wood parallel to grain, ovendry, range across species | 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 | 19µm growth2.74x less | 52µm growth |
| Specific heat | 1,700J/kg·Ksourcebase material: solid wood (all species), 12% MC, 27 C | 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 |
| Values for | 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) | 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.
DMLS 17-4PH Stainless Steel is 3D printed: its properties depend on build direction and print settings; these are typical values.
Questions
Is Plywood stronger than DMLS 17-4PH Stainless Steel?
DMLS 17-4PH Stainless Steel is stronger: its yield strength is 861 MPa against tensile strength 41.4 MPa for Plywood (20.8x).
Which is stiffer, Plywood or DMLS 17-4PH Stainless Steel?
DMLS 17-4PH Stainless Steel is stiffer: Young's modulus 197 GPa against 7.45 GPa for Plywood, so the same part in DMLS 17-4PH Stainless Steel deflects less under the same load.
Which conducts heat better, Plywood or DMLS 17-4PH Stainless Steel?
DMLS 17-4PH Stainless Steel conducts heat better: 17.9 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 10.4 µm/m·K for DMLS 17-4PH Stainless Steel.