EZ33A Magnesium vs. Grade 20 Titanium
EZ33A magnesium belongs to the magnesium alloys classification, while grade 20 titanium belongs to the titanium alloys. There are 25 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown. Please note that the two materials have significantly dissimilar densities. This means that additional care is required when interpreting the data, because some material properties are based on units of mass, while others are based on units of area or volume.
For each property being compared, the top bar is EZ33A magnesium and the bottom bar is grade 20 titanium.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 44 | |
| 120 |
| Elongation at Break, % | 2.6 | |
| 5.7 to 17 |
| Fatigue Strength, MPa | 70 | |
| 550 to 630 |
| Poisson's Ratio | 0.29 | |
| 0.32 |
| Shear Modulus, GPa | 17 | |
| 47 |
| Shear Strength, MPa | 140 | |
| 560 to 740 |
| Tensile Strength: Ultimate (UTS), MPa | 150 | |
| 900 to 1270 |
| Tensile Strength: Yield (Proof), MPa | 100 | |
| 850 to 1190 |
Thermal Properties
| Latent Heat of Fusion, J/g | 330 | |
| 400 |
| Maximum Temperature: Mechanical, °C | 250 | |
| 370 |
| Melting Completion (Liquidus), °C | 640 | |
| 1660 |
| Melting Onset (Solidus), °C | 570 | |
| 1600 |
| Specific Heat Capacity, J/kg-K | 970 | |
| 520 |
| Thermal Expansion, µm/m-K | 27 | |
| 9.6 |
Otherwise Unclassified Properties
| Density, g/cm3 | 1.9 | |
| 5.0 |
| Embodied Carbon, kg CO2/kg material | 25 | |
| 52 |
| Embodied Energy, MJ/kg | 190 | |
| 860 |
| Embodied Water, L/kg | 930 | |
| 350 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 3.6 | |
| 71 to 150 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 120 | |
| 2940 to 5760 |
| Stiffness to Weight: Axial, points | 13 | |
| 14 |
| Stiffness to Weight: Bending, points | 61 | |
| 33 |
| Strength to Weight: Axial, points | 22 | |
| 50 to 70 |
| Strength to Weight: Bending, points | 33 | |
| 41 to 52 |
| Thermal Shock Resistance, points | 9.2 | |
| 55 to 77 |
Alloy Composition
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| Aluminum (Al), % | 0 | |
| 3.0 to 4.0 |
| Carbon (C), % | 0 | |
| 0 to 0.050 |
| Chromium (Cr), % | 0 | |
| 5.5 to 6.5 |
| Copper (Cu), % | 0 to 0.1 | |
| 0 |
| Hydrogen (H), % | 0 | |
| 0 to 0.020 |
| Iron (Fe), % | 0 | |
| 0 to 0.3 |
| Magnesium (Mg), % | 91.5 to 95 | |
| 0 |
| Molybdenum (Mo), % | 0 | |
| 3.5 to 4.5 |
| Nickel (Ni), % | 0 to 0.010 | |
| 0 |
| Nitrogen (N), % | 0 | |
| 0 to 0.030 |
| Oxygen (O), % | 0 | |
| 0 to 0.12 |
| Palladium (Pd), % | 0 | |
| 0.040 to 0.080 |
| Titanium (Ti), % | 0 | |
| 71 to 77 |
| Unspecified Rare Earths, % | 2.5 to 4.0 | |
| 0 |
| Vanadium (V), % | 0 | |
| 7.5 to 8.5 |
| Zinc (Zn), % | 2.0 to 3.1 | |
| 0 |
| Zirconium (Zr), % | 0.5 to 1.0 | |
| 3.5 to 4.5 |
| Residuals, % | 0 to 0.3 | |
| 0 to 0.4 |