Materials / Compare
Magnesium AZ31B-H24 vs. DMLS Ti-6Al-4V ELI Titanium
Compare Magnesium AZ31B-H24 vs. DMLS Ti-6Al-4V ELI Titanium 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 | 220MPasourcetypical, H24, 0.5-6 mm, 0.2 % proof stress | 1,100MPasourcetypical, as built, average of horizontal + vertical (M400) |
| Ultimate tensile strength | 290MPasourcetypical, H24, 0.5-6 mm | 1,270MPasourcetypical, as built, average of horizontal + vertical (M400) |
| Elongation at break | 13%sourcetypical, H24, 0.5-6 mm, gauge 5.65√A | 8.7%sourcetypical at break, as built (M400) |
| Young's modulus (stiffness) | 44.8GPasourcetypical (handbook physical constant) | 110GPasourcesame maker and process, sibling grade: EOS Titanium Ti64 (Grade 5) on EOS M 290, as built, XY and Z, typical |
| Density | 1,769kg/m³sourcenominal | 4,400kg/m³sourcetypical part density (ISO 3369), M400 |
| Strength to weight | 124kN·m/kg | 250kN·m/kg2.01x higher |
| Stiffness to weight | 25.3MN·m/kg1% higher | 25MN·m/kg |
| Poisson's ratio | 0.35sourcetypical (handbook physical constant) | 0.342sourcewrought TIMETAL 6-4 (TIMET measurement, mean of 10); composition-level, not DMLS-measured |
| Shear modulus | 16.6GPa | 41GPa2.47x stiffer in shear |
| Bulk modulus | 49.8GPa | 116GPa |
| Speed of sound | 5,032m/s | 5,000m/s |
| Thermal | ||
| Thermal conductivity | 76.9W/m·Ksourcetypical (temper/temperature not stated) | 6.6W/m·Ksourcebase material: wrought Ti-6Al-4V / 6-4 ELI (TIMET datasheet), 20 °C |
| Thermal expansion | 26.8µm/m·Ksourcetypical (temperature range not stated) | 9µm/m·Ksourcemean 25-100 °C, ASTM E228; EOS Ti64 Grade 23 (=ELI) on EOS M 290 40 µm; condition not stated (sheet's mechanical data are heat treated) |
| 100 mm part over a 50 °C swing | 134µm growth | 45µm growth2.98x less |
| Specific heat | 1,040J/kg·Ksourcetypical | 580J/kg·Ksourcebase material: wrought Ti-6Al-4V / 6-4 ELI (TIMET datasheet), 20 °C |
| Heats up and cools (diffusivity) | 41.8mm²/s16.2x faster | 2.59mm²/s |
| Thermal shock resistance | 9,159W/m1.9x more resistant | 4,825W/m |
| Melting point | not sourced | 1,630–1,650°Csourcemelting range, wrought TIMETAL 6-4 (composition-level) |
| Max service temperature | 149°Csourcestated application limit | not sourced |
| Values for | AZ31B-H24 sheet 0.016-0.062 in., MIL-HDBK-5J Table 4.2.1.0(b) (AMS 4377); strengths are S-basis MINIMUMS | EOS Titanium Ti64ELI (powder 9011-0040; ASTM F136/F3001, i.e. Grade 23) on EOS M400 SF, parameter set Ti64ELI_030_FlexM400_100, 30 µm, as built; ISO 6892-1 A14 |
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 Ti-6Al-4V ELI Titanium is 3D printed: its properties depend on build direction and print settings; these are typical values.
Questions
Is Magnesium AZ31B-H24 stronger than DMLS Ti-6Al-4V ELI Titanium?
DMLS Ti-6Al-4V ELI Titanium is stronger: its yield strength is 1,100 MPa against 220 MPa for Magnesium AZ31B-H24 (5x).
Which is lighter, Magnesium AZ31B-H24 or DMLS Ti-6Al-4V ELI Titanium?
Magnesium AZ31B-H24 is lighter: 1,769 kg/m³ against 4,400 kg/m³ for DMLS Ti-6Al-4V ELI Titanium.
Which is stiffer, Magnesium AZ31B-H24 or DMLS Ti-6Al-4V ELI Titanium?
DMLS Ti-6Al-4V ELI Titanium is stiffer: Young's modulus 110 GPa against 44.8 GPa for Magnesium AZ31B-H24, so the same part in DMLS Ti-6Al-4V ELI Titanium deflects less under the same load.
Which is lighter for the same job, Magnesium AZ31B-H24 or DMLS Ti-6Al-4V ELI Titanium?
For the same stiffness or strength: Magnesium AZ31B-H24 is lighter for a stiff rod or tie (tension), stiff beam (bending), stiff panel or plate, strong panel or plate; DMLS Ti-6Al-4V ELI Titanium is lighter for a strong rod or tie, strong beam.
| Part that must be | Magnesium AZ31B-H24 | DMLS Ti-6Al-4V ELI Titanium |
|---|---|---|
| Stiff rod or tie (tension) | lighter | 1% heavier |
| Stiff beam (bending) | lighter | 1.59x heavier |
| Stiff panel or plate | lighter | 1.84x heavier |
| Strong rod or tie | 2.01x heavier | lighter |
| Strong beam | 18% heavier | lighter |
| Strong panel or plate | lighter | 11% heavier |
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).
Which conducts heat better, Magnesium AZ31B-H24 or DMLS Ti-6Al-4V ELI Titanium?
Magnesium AZ31B-H24 conducts heat better: 76.9 W/m·K against 6.6 W/m·K for DMLS Ti-6Al-4V ELI Titanium.
Which expands less with temperature?
DMLS Ti-6Al-4V ELI Titanium expands less: 9 µm/m·K against 26.8 µm/m·K for Magnesium AZ31B-H24.
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