Grade 27 Titanium vs. C34500 Brass
Grade 27 titanium belongs to the titanium alloys classification, while C34500 brass belongs to the copper alloys. There are 29 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 27 titanium and the bottom bar is C34500 brass.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 100 |
| Elongation at Break, % | 27 | |
| 12 to 28 |
| Poisson's Ratio | 0.32 | |
| 0.31 |
| Shear Modulus, GPa | 41 | |
| 40 |
| Shear Strength, MPa | 180 | |
| 220 to 260 |
| Tensile Strength: Ultimate (UTS), MPa | 270 | |
| 340 to 430 |
| Tensile Strength: Yield (Proof), MPa | 230 | |
| 120 to 180 |
Thermal Properties
| Latent Heat of Fusion, J/g | 420 | |
| 170 |
| Maximum Temperature: Mechanical, °C | 320 | |
| 120 |
| Melting Completion (Liquidus), °C | 1660 | |
| 910 |
| Melting Onset (Solidus), °C | 1610 | |
| 890 |
| Specific Heat Capacity, J/kg-K | 540 | |
| 380 |
| Thermal Conductivity, W/m-K | 21 | |
| 120 |
| Thermal Expansion, µm/m-K | 8.7 | |
| 21 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 3.6 | |
| 26 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 7.1 | |
| 29 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 37 | |
| 24 |
| Density, g/cm3 | 4.5 | |
| 8.2 |
| Embodied Carbon, kg CO2/kg material | 33 | |
| 2.6 |
| Embodied Energy, MJ/kg | 530 | |
| 45 |
| Embodied Water, L/kg | 320 | |
| 320 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 70 | |
| 42 to 75 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 240 | |
| 69 to 160 |
| Stiffness to Weight: Axial, points | 13 | |
| 7.1 |
| Stiffness to Weight: Bending, points | 35 | |
| 19 |
| Strength to Weight: Axial, points | 17 | |
| 12 to 15 |
| Strength to Weight: Bending, points | 21 | |
| 13 to 16 |
| Thermal Diffusivity, mm2/s | 8.8 | |
| 37 |
| Thermal Shock Resistance, points | 21 | |
| 11 to 14 |
Alloy Composition
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| Carbon (C), % | 0 to 0.080 | |
| 0 |
| Copper (Cu), % | 0 | |
| 62 to 65 |
| Hydrogen (H), % | 0 to 0.015 | |
| 0 |
| Iron (Fe), % | 0 to 0.2 | |
| 0 to 0.15 |
| Lead (Pb), % | 0 | |
| 1.5 to 2.5 |
| Nitrogen (N), % | 0 to 0.030 | |
| 0 |
| Oxygen (O), % | 0 to 0.18 | |
| 0 |
| Ruthenium (Ru), % | 0.080 to 0.14 | |
| 0 |
| Titanium (Ti), % | 99 to 99.92 | |
| 0 |
| Zinc (Zn), % | 0 | |
| 32 to 36.5 |
| Residuals, % | 0 to 0.4 | |
| 0 to 0.4 |