Materials / Compare
Concrete vs. DMLS AlSi10Mg Aluminum
Compare Concrete vs. DMLS AlSi10Mg Aluminum 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 sourced | 270MPasourcetypical, as manufactured, horizontal |
| Ultimate tensile strength | not sourced | 450MPasourcetypical, as manufactured, horizontal |
| Compressive strength | 27.6MPasourcespecified compressive strength class (f'c), not a measured typical | not sourced |
| Elongation at break | not sourced | 10.2%sourcetypical at break, as manufactured, horizontal |
| Young's modulus (stiffness) | not sourced | 72GPasourcesame material and process, different machine maker: Renishaw RenAM 500, 30 µm, as built, horizontal (XY) |
| Density | 2,240–2,400kg/m³sourcerange for normalweight concrete | 2,670kg/m³sourcetypical part density (ISO 3369), EOS M 290, AlSi10Mg_030_FlexM291 (30 µm) |
| Strength to weight | not sourced | 101kN·m/kg |
| Stiffness to weight | not sourced | 27MN·m/kg |
| Poisson's ratio | 0.15–0.2sourcegeneral range at normal ambient conditions (overall 0.11-0.32) | 0.33sourcebase material: cast Al-Si-Mg alloy 359.0 (Al-9Si-0.6Mg, closest MIL-HDBK-5J alloy to AlSi10Mg / EN AC-43000) |
| Shear modulus | not sourced | 27.1GPa |
| Bulk modulus | not sourced | 70.6GPa |
| Speed of sound | not sourced | 5,193m/s |
| Thermal | ||
| Thermal conductivity | 0.9W/m·Ksourcetypical (comparative value) | 110W/m·Ksourcetypical, as manufactured, horizontal (ISO 22007-2) |
| Thermal expansion | 8–12µm/m·Ksourcetypical range for portland cement concrete (aggregate dependent) | 20µm/m·Ksourcemean 25-100 °C, ASTM E228 |
| 100 mm part over a 50 °C swing | 50µm growth2x less | 100µm growth |
| Specific heat | 900J/kg·Ksourcetypical (NIST guidance for thermal analysis) | 963J/kg·Ksourcebase material: cast Al-Si-Mg alloy 359.0 (MIL-HDBK-5J), at 100 °C |
| Heats up and cools (diffusivity) | 0.431mm²/s | 42.8mm²/s99.3x faster |
| Thermal shock resistance | not sourced | 13,819W/m |
| Max service temperature | 65°Csourcecode long-term temperature limit (ASME Code, concrete containments) | not sourced |
| Values for | Normal-weight portland cement concrete, strength class f'c = 4000 psi (28 MPa) per NRMCA CIP 35; density NRMCA CIP 36; thermal conductivity USDA FPL Wood Handbook; service temperature ORNL/NRC review | EOS Aluminium AlSi10Mg (powder 9011-0024), EOS M 290 | 30 µm process (AlSi10Mg_FlexM291 2.01), as manufactured, horizontal; machined (turned) specimens, ISO 6892-1 B10 |
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 AlSi10Mg Aluminum is 3D printed: its properties depend on build direction and print settings; these are typical values.
Questions
Which is lighter, Concrete or DMLS AlSi10Mg Aluminum?
Concrete is lighter: 2,320 kg/m³ against 2,670 kg/m³ for DMLS AlSi10Mg Aluminum.
Which conducts heat better, Concrete or DMLS AlSi10Mg Aluminum?
DMLS AlSi10Mg Aluminum conducts heat better: 110 W/m·K against 0.9 W/m·K for Concrete.
Which expands less with temperature?
Concrete expands less: 10 µm/m·K against 20 µm/m·K for DMLS AlSi10Mg Aluminum.