K1A Magnesium vs. Titanium 4-4-2
K1A magnesium belongs to the magnesium alloys classification, while titanium 4-4-2 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 K1A magnesium and the bottom bar is titanium 4-4-2.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 43 | |
| 110 |
| Elongation at Break, % | 13 | |
| 10 |
| Fatigue Strength, MPa | 39 | |
| 590 to 620 |
| Poisson's Ratio | 0.29 | |
| 0.32 |
| Shear Modulus, GPa | 17 | |
| 42 |
| Shear Strength, MPa | 55 | |
| 690 to 750 |
| Tensile Strength: Ultimate (UTS), MPa | 180 | |
| 1150 to 1250 |
| Tensile Strength: Yield (Proof), MPa | 51 | |
| 1030 to 1080 |
Thermal Properties
| Latent Heat of Fusion, J/g | 350 | |
| 410 |
| Maximum Temperature: Mechanical, °C | 120 | |
| 310 |
| Melting Completion (Liquidus), °C | 650 | |
| 1610 |
| Melting Onset (Solidus), °C | 650 | |
| 1560 |
| Specific Heat Capacity, J/kg-K | 1000 | |
| 540 |
| Thermal Conductivity, W/m-K | 120 | |
| 6.7 |
| Thermal Expansion, µm/m-K | 27 | |
| 8.6 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 13 | |
| 39 |
| Density, g/cm3 | 1.6 | |
| 4.7 |
| Embodied Carbon, kg CO2/kg material | 24 | |
| 30 |
| Embodied Energy, MJ/kg | 170 | |
| 480 |
| Embodied Water, L/kg | 970 | |
| 180 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 17 | |
| 110 to 120 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 30 | |
| 4700 to 5160 |
| Stiffness to Weight: Axial, points | 15 | |
| 13 |
| Stiffness to Weight: Bending, points | 73 | |
| 34 |
| Strength to Weight: Axial, points | 31 | |
| 68 to 74 |
| Strength to Weight: Bending, points | 43 | |
| 52 to 55 |
| Thermal Diffusivity, mm2/s | 75 | |
| 2.6 |
| Thermal Shock Resistance, points | 11 | |
| 86 to 93 |
Alloy Composition
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| Aluminum (Al), % | 0 | |
| 3.0 to 5.0 |
| Carbon (C), % | 0 | |
| 0 to 0.080 |
| Hydrogen (H), % | 0 | |
| 0 to 0.015 |
| Iron (Fe), % | 0 | |
| 0 to 0.2 |
| Magnesium (Mg), % | 98.7 to 99.6 | |
| 0 |
| Molybdenum (Mo), % | 0 | |
| 3.0 to 5.0 |
| Nitrogen (N), % | 0 | |
| 0 to 0.050 |
| Oxygen (O), % | 0 | |
| 0 to 0.25 |
| Silicon (Si), % | 0 | |
| 0.3 to 0.7 |
| Tin (Sn), % | 0 | |
| 1.5 to 2.5 |
| Titanium (Ti), % | 0 | |
| 85.8 to 92.2 |
| Zirconium (Zr), % | 0.4 to 1.0 | |
| 0 |
| Residuals, % | 0 to 0.3 | |
| 0 to 0.4 |