Grade 23 Titanium vs. C68000 Brass
Grade 23 titanium belongs to the titanium alloys classification, while C68000 brass belongs to the copper alloys. There are 26 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.
For each property being compared, the top bar is grade 23 titanium and the bottom bar is C68000 brass.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 100 |
| Elongation at Break, % | 6.7 to 11 | |
| 27 |
| Poisson's Ratio | 0.32 | |
| 0.3 |
| Shear Modulus, GPa | 40 | |
| 40 |
| Tensile Strength: Ultimate (UTS), MPa | 930 to 940 | |
| 390 |
| Tensile Strength: Yield (Proof), MPa | 850 to 870 | |
| 140 |
Thermal Properties
| Latent Heat of Fusion, J/g | 410 | |
| 170 |
| Maximum Temperature: Mechanical, °C | 340 | |
| 120 |
| Melting Completion (Liquidus), °C | 1610 | |
| 880 |
| Melting Onset (Solidus), °C | 1560 | |
| 870 |
| Specific Heat Capacity, J/kg-K | 560 | |
| 390 |
| Thermal Conductivity, W/m-K | 7.1 | |
| 96 |
| Thermal Expansion, µm/m-K | 9.4 | |
| 21 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 36 | |
| 23 |
| Density, g/cm3 | 4.4 | |
| 8.0 |
| Embodied Carbon, kg CO2/kg material | 38 | |
| 2.8 |
| Embodied Energy, MJ/kg | 610 | |
| 48 |
| Embodied Water, L/kg | 200 | |
| 330 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 61 to 100 | |
| 82 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 3430 to 3560 | |
| 95 |
| Stiffness to Weight: Axial, points | 13 | |
| 7.3 |
| Stiffness to Weight: Bending, points | 35 | |
| 20 |
| Strength to Weight: Axial, points | 58 to 59 | |
| 14 |
| Strength to Weight: Bending, points | 48 | |
| 15 |
| Thermal Diffusivity, mm2/s | 2.9 | |
| 31 |
| Thermal Shock Resistance, points | 67 to 68 | |
| 13 |
Alloy Composition
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| Aluminum (Al), % | 5.5 to 6.5 | |
| 0 to 0.010 |
| Carbon (C), % | 0 to 0.080 | |
| 0 |
| Copper (Cu), % | 0 | |
| 56 to 60 |
| Hydrogen (H), % | 0 to 0.013 | |
| 0 |
| Iron (Fe), % | 0 to 0.25 | |
| 0.25 to 1.3 |
| Lead (Pb), % | 0 | |
| 0 to 0.050 |
| Manganese (Mn), % | 0 | |
| 0.010 to 0.5 |
| Nickel (Ni), % | 0 | |
| 0.2 to 0.8 |
| Nitrogen (N), % | 0 to 0.030 | |
| 0 |
| Oxygen (O), % | 0 to 0.13 | |
| 0 |
| Silicon (Si), % | 0 | |
| 0.040 to 0.15 |
| Tin (Sn), % | 0 | |
| 0.75 to 1.1 |
| Titanium (Ti), % | 88.1 to 91 | |
| 0 |
| Vanadium (V), % | 3.5 to 4.5 | |
| 0 |
| Zinc (Zn), % | 0 | |
| 35.6 to 42.8 |
| Residuals, % | 0 to 0.4 | |
| 0 to 0.5 |