Titanium 6-6-2 vs. ZK61A Magnesium
Titanium 6-6-2 belongs to the titanium alloys classification, while ZK61A magnesium belongs to the magnesium alloys. There are 29 material properties with values for both materials. Properties with values for just one material (3, 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 titanium 6-6-2 and the bottom bar is ZK61A magnesium.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 120 | |
| 46 |
| Elongation at Break, % | 6.7 to 9.0 | |
| 5.8 to 7.1 |
| Fatigue Strength, MPa | 590 to 670 | |
| 120 to 140 |
| Poisson's Ratio | 0.32 | |
| 0.29 |
| Shear Modulus, GPa | 44 | |
| 18 |
| Shear Strength, MPa | 670 to 800 | |
| 170 to 180 |
| Tensile Strength: Ultimate (UTS), MPa | 1140 to 1370 | |
| 290 to 310 |
| Tensile Strength: Yield (Proof), MPa | 1040 to 1230 | |
| 180 to 200 |
Thermal Properties
| Latent Heat of Fusion, J/g | 400 | |
| 330 |
| Maximum Temperature: Mechanical, °C | 310 | |
| 120 |
| Melting Completion (Liquidus), °C | 1610 | |
| 640 |
| Melting Onset (Solidus), °C | 1560 | |
| 530 |
| Specific Heat Capacity, J/kg-K | 540 | |
| 960 |
| Thermal Conductivity, W/m-K | 5.5 | |
| 120 |
| Thermal Expansion, µm/m-K | 9.4 | |
| 27 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 1.1 | |
| 29 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 2.1 | |
| 130 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 40 | |
| 13 |
| Density, g/cm3 | 4.8 | |
| 1.9 |
| Embodied Carbon, kg CO2/kg material | 29 | |
| 23 |
| Embodied Energy, MJ/kg | 470 | |
| 160 |
| Embodied Water, L/kg | 200 | |
| 940 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 89 to 99 | |
| 15 to 19 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 34 | |
| 62 |
| Strength to Weight: Axial, points | 66 to 79 | |
| 42 to 45 |
| Strength to Weight: Bending, points | 50 to 57 | |
| 50 to 53 |
| Thermal Diffusivity, mm2/s | 2.1 | |
| 65 |
| Thermal Shock Resistance, points | 75 to 90 | |
| 17 to 18 |
Alloy Composition
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| Aluminum (Al), % | 5.0 to 6.0 | |
| 0 |
| Carbon (C), % | 0 to 0.050 | |
| 0 |
| Copper (Cu), % | 0.35 to 1.0 | |
| 0 to 0.1 |
| Hydrogen (H), % | 0 to 0.015 | |
| 0 |
| Iron (Fe), % | 0.35 to 1.0 | |
| 0 |
| Magnesium (Mg), % | 0 | |
| 92.1 to 93.9 |
| Molybdenum (Mo), % | 5.0 to 6.0 | |
| 0 |
| Nickel (Ni), % | 0 | |
| 0 to 0.010 |
| Nitrogen (N), % | 0 to 0.040 | |
| 0 |
| Oxygen (O), % | 0 to 0.2 | |
| 0 |
| Tin (Sn), % | 1.5 to 2.5 | |
| 0 |
| Titanium (Ti), % | 82.8 to 87.8 | |
| 0 |
| Zinc (Zn), % | 0 | |
| 5.5 to 6.5 |
| Zirconium (Zr), % | 0 | |
| 0.6 to 1.0 |
| Residuals, % | 0 to 0.4 | |
| 0 to 0.3 |