Grade 12 Titanium vs. EN AC-45300 Aluminum
Grade 12 titanium belongs to the titanium alloys classification, while EN AC-45300 aluminum belongs to the aluminum alloys. There are 30 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.
For each property being compared, the top bar is grade 12 titanium and the bottom bar is EN AC-45300 aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 170 | |
| 94 to 120 |
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 71 |
| Elongation at Break, % | 21 | |
| 1.0 to 2.8 |
| Fatigue Strength, MPa | 280 | |
| 59 to 72 |
| Poisson's Ratio | 0.32 | |
| 0.33 |
| Shear Modulus, GPa | 39 | |
| 27 |
| Tensile Strength: Ultimate (UTS), MPa | 530 | |
| 220 to 290 |
| Tensile Strength: Yield (Proof), MPa | 410 | |
| 150 to 230 |
Thermal Properties
| Latent Heat of Fusion, J/g | 420 | |
| 470 |
| Maximum Temperature: Mechanical, °C | 320 | |
| 170 |
| Melting Completion (Liquidus), °C | 1660 | |
| 630 |
| Melting Onset (Solidus), °C | 1610 | |
| 590 |
| Specific Heat Capacity, J/kg-K | 540 | |
| 890 |
| Thermal Conductivity, W/m-K | 21 | |
| 150 |
| Thermal Expansion, µm/m-K | 9.6 | |
| 22 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 3.3 | |
| 36 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 6.6 | |
| 120 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 37 | |
| 9.5 |
| Density, g/cm3 | 4.5 | |
| 2.7 |
| Embodied Carbon, kg CO2/kg material | 31 | |
| 8.0 |
| Embodied Energy, MJ/kg | 500 | |
| 150 |
| Embodied Water, L/kg | 110 | |
| 1120 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 110 | |
| 2.7 to 5.6 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 770 | |
| 160 to 390 |
| Stiffness to Weight: Axial, points | 13 | |
| 14 |
| Stiffness to Weight: Bending, points | 35 | |
| 50 |
| Strength to Weight: Axial, points | 32 | |
| 23 to 29 |
| Strength to Weight: Bending, points | 32 | |
| 30 to 35 |
| Thermal Diffusivity, mm2/s | 8.5 | |
| 60 |
| Thermal Shock Resistance, points | 37 | |
| 10 to 13 |
Alloy Composition
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| Aluminum (Al), % | 0 | |
| 90.2 to 94.2 |
| Carbon (C), % | 0 to 0.080 | |
| 0 |
| Copper (Cu), % | 0 | |
| 1.0 to 1.5 |
| Hydrogen (H), % | 0 to 0.015 | |
| 0 |
| Iron (Fe), % | 0 to 0.3 | |
| 0 to 0.65 |
| Lead (Pb), % | 0 | |
| 0 to 0.15 |
| Magnesium (Mg), % | 0 | |
| 0.35 to 0.65 |
| Manganese (Mn), % | 0 | |
| 0 to 0.55 |
| Molybdenum (Mo), % | 0.2 to 0.4 | |
| 0 |
| Nickel (Ni), % | 0.6 to 0.9 | |
| 0 to 0.25 |
| Nitrogen (N), % | 0 to 0.030 | |
| 0 |
| Oxygen (O), % | 0 to 0.25 | |
| 0 |
| Silicon (Si), % | 0 | |
| 4.5 to 5.5 |
| Tin (Sn), % | 0 | |
| 0 to 0.050 |
| Titanium (Ti), % | 97.6 to 99.2 | |
| 0 to 0.25 |
| Zinc (Zn), % | 0 | |
| 0 to 0.15 |
| Residuals, % | 0 to 0.4 | |
| 0 to 0.15 |