Materials / Compare
Plywood vs. DMLS 316L Stainless Steel
Compare Plywood vs. DMLS 316L 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) | 530MPasourcetypical, as manufactured, horizontal |
| Ultimate tensile strength | 41.4MPasourcemodulus of rupture (no direct tensile value) | 640MPasourcetypical, as manufactured, horizontal |
| Flexural strength | 41.4MPasourcestatic bending MOR (Douglas-fir); range 33.72-42.61 across species | not sourced |
| Elongation at break | not sourced | 40%sourcetypical at break, as manufactured, horizontal |
| Young's modulus (stiffness) | 7.45GPasourcestatic bending MOE of the panel (Douglas-fir); range 6.96-8.55 across species | 185GPasourcetypical, as built, horizontal (XY); EOSINT M280-400W / M290-400W, 316L_Surface 1.0, 20 µm (2014 sheet) |
| Density | not sourced | 7,900kg/m³sourcepart density (ISO 3369, not labelled min or typical), EOS M 290, 40 µm FlexLine |
| Strength to weight | not sourced | 67.1kN·m/kg |
| Stiffness to weight | not sourced | 23.4MN·m/kg |
| Poisson's ratio | not sourced | 0.3sourcebase material: austenitic stainless steels incl. 1.4404 (316L), design value |
| Shear modulus | not sourced | 71.2GPa |
| Bulk modulus | not sourced | 154GPa |
| Speed of sound | not sourced | 4,839m/s |
| Thermal | ||
| Thermal conductivity | 0.12W/m·KsourceAPA-recommended design value (Douglas-fir plywood), as reported by FPL/ORNL | 16.2W/m·Ksourcebase material: wrought 316/316L (Cleveland-Cliffs), at 100 °C |
| Thermal expansion | 3.1–4.5µm/m·Ksourcebase material: solid wood parallel to grain, ovendry, range across species | 15.7µm/m·Ksourcemean 25-100 °C, ASTM E228 |
| 100 mm part over a 50 °C swing | 19µm growth4.14x less | 78.6µm growth |
| Specific heat | 1,700J/kg·Ksourcebase material: solid wood (all species), 12% MC, 27 C | 500J/kg·Ksourcebase material: wrought 316/316L (Cleveland-Cliffs), 0-100 °C |
| Heats up and cools (diffusivity) | not sourced | 4.1mm²/s |
| Thermal shock resistance | not sourced | 2,067W/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 316L (powder 9011-0032), EOS M 290, ParameterSet 316L 20µm Surface M290/400W, as manufactured, horizontal; ISO 6892-1 |
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 316L Stainless Steel is 3D printed: its properties depend on build direction and print settings; these are typical values.
Questions
Is Plywood stronger than DMLS 316L Stainless Steel?
DMLS 316L Stainless Steel is stronger: its yield strength is 530 MPa against tensile strength 41.4 MPa for Plywood (12.8x).
Which is stiffer, Plywood or DMLS 316L Stainless Steel?
DMLS 316L Stainless Steel is stiffer: Young's modulus 185 GPa against 7.45 GPa for Plywood, so the same part in DMLS 316L Stainless Steel deflects less under the same load.
Which conducts heat better, Plywood or DMLS 316L Stainless Steel?
DMLS 316L Stainless Steel conducts heat better: 16.2 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 15.7 µm/m·K for DMLS 316L Stainless Steel.