ZK61A Magnesium vs. Grade 19 Titanium
ZK61A magnesium belongs to the magnesium alloys classification, while grade 19 titanium belongs to the titanium alloys. There are 28 material properties with values for both materials. Properties with values for just one material (4, 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 ZK61A magnesium and the bottom bar is grade 19 titanium.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 46 | |
| 120 |
| Elongation at Break, % | 5.8 to 7.1 | |
| 5.6 to 17 |
| Fatigue Strength, MPa | 120 to 140 | |
| 550 to 620 |
| Poisson's Ratio | 0.29 | |
| 0.32 |
| Shear Modulus, GPa | 18 | |
| 47 |
| Shear Strength, MPa | 170 to 180 | |
| 550 to 750 |
| Tensile Strength: Ultimate (UTS), MPa | 290 to 310 | |
| 890 to 1300 |
| Tensile Strength: Yield (Proof), MPa | 180 to 200 | |
| 870 to 1170 |
Thermal Properties
| Latent Heat of Fusion, J/g | 330 | |
| 400 |
| Maximum Temperature: Mechanical, °C | 120 | |
| 370 |
| Melting Completion (Liquidus), °C | 640 | |
| 1660 |
| Melting Onset (Solidus), °C | 530 | |
| 1600 |
| Specific Heat Capacity, J/kg-K | 960 | |
| 520 |
| Thermal Conductivity, W/m-K | 120 | |
| 6.2 |
| Thermal Expansion, µm/m-K | 27 | |
| 9.1 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 13 | |
| 45 |
| Density, g/cm3 | 1.9 | |
| 5.0 |
| Embodied Carbon, kg CO2/kg material | 23 | |
| 47 |
| Embodied Energy, MJ/kg | 160 | |
| 760 |
| Embodied Water, L/kg | 940 | |
| 230 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 15 to 19 | |
| 70 to 150 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 370 to 420 | |
| 3040 to 5530 |
| Stiffness to Weight: Axial, points | 13 | |
| 14 |
| Stiffness to Weight: Bending, points | 62 | |
| 33 |
| Strength to Weight: Axial, points | 42 to 45 | |
| 49 to 72 |
| Strength to Weight: Bending, points | 50 to 53 | |
| 41 to 53 |
| Thermal Diffusivity, mm2/s | 65 | |
| 2.4 |
| Thermal Shock Resistance, points | 17 to 18 | |
| 57 to 83 |
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), % | 92.1 to 93.9 | |
| 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 |
| Titanium (Ti), % | 0 | |
| 71.1 to 77 |
| Vanadium (V), % | 0 | |
| 7.5 to 8.5 |
| Zinc (Zn), % | 5.5 to 6.5 | |
| 0 |
| Zirconium (Zr), % | 0.6 to 1.0 | |
| 3.5 to 4.5 |
| Residuals, % | 0 to 0.3 | |
| 0 to 0.4 |