Grade 31 Titanium vs. C23400 Brass
Grade 31 titanium belongs to the titanium alloys classification, while C23400 brass belongs to the copper alloys. There are 21 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.
For each property being compared, the top bar is grade 31 titanium and the bottom bar is C23400 brass.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 110 |
| Poisson's Ratio | 0.32 | |
| 0.32 |
| Shear Modulus, GPa | 41 | |
| 42 |
| Tensile Strength: Ultimate (UTS), MPa | 510 | |
| 370 to 640 |
Thermal Properties
| Latent Heat of Fusion, J/g | 420 | |
| 190 |
| Maximum Temperature: Mechanical, °C | 320 | |
| 160 |
| Melting Completion (Liquidus), °C | 1660 | |
| 970 |
| Melting Onset (Solidus), °C | 1610 | |
| 930 |
| Specific Heat Capacity, J/kg-K | 540 | |
| 390 |
| Thermal Conductivity, W/m-K | 21 | |
| 120 |
| Thermal Expansion, µm/m-K | 8.7 | |
| 19 |
Otherwise Unclassified Properties
| Density, g/cm3 | 4.5 | |
| 8.5 |
| Embodied Carbon, kg CO2/kg material | 36 | |
| 2.6 |
| Embodied Energy, MJ/kg | 600 | |
| 43 |
| Embodied Water, L/kg | 230 | |
| 320 |
Common Calculations
| Stiffness to Weight: Axial, points | 13 | |
| 7.2 |
| Stiffness to Weight: Bending, points | 35 | |
| 19 |
| Strength to Weight: Axial, points | 32 | |
| 12 to 21 |
| Strength to Weight: Bending, points | 32 | |
| 13 to 19 |
| Thermal Diffusivity, mm2/s | 8.5 | |
| 36 |
| Thermal Shock Resistance, points | 39 | |
| 12 to 22 |
Alloy Composition
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| Carbon (C), % | 0 to 0.080 | |
| 0 |
| Cobalt (Co), % | 0.2 to 0.8 | |
| 0 |
| Copper (Cu), % | 0 | |
| 81 to 84 |
| Hydrogen (H), % | 0 to 0.015 | |
| 0 |
| Iron (Fe), % | 0 to 0.3 | |
| 0 to 0.050 |
| Lead (Pb), % | 0 | |
| 0 to 0.050 |
| Nitrogen (N), % | 0 to 0.050 | |
| 0 |
| Oxygen (O), % | 0 to 0.35 | |
| 0 |
| Palladium (Pd), % | 0.040 to 0.080 | |
| 0 |
| Titanium (Ti), % | 97.9 to 99.76 | |
| 0 |
| Zinc (Zn), % | 0 | |
| 15.7 to 19 |
| Residuals, % | 0 to 0.4 | |
| 0 to 0.2 |