Grade 20 Titanium vs. C34500 Brass
Grade 20 titanium belongs to the titanium alloys classification, while C34500 brass belongs to the copper alloys. There are 24 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 20 titanium and the bottom bar is C34500 brass.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 120 | |
| 100 |
| Elongation at Break, % | 5.7 to 17 | |
| 12 to 28 |
| Poisson's Ratio | 0.32 | |
| 0.31 |
| Shear Modulus, GPa | 47 | |
| 40 |
| Shear Strength, MPa | 560 to 740 | |
| 220 to 260 |
| Tensile Strength: Ultimate (UTS), MPa | 900 to 1270 | |
| 340 to 430 |
| Tensile Strength: Yield (Proof), MPa | 850 to 1190 | |
| 120 to 180 |
Thermal Properties
| Latent Heat of Fusion, J/g | 400 | |
| 170 |
| Maximum Temperature: Mechanical, °C | 370 | |
| 120 |
| Melting Completion (Liquidus), °C | 1660 | |
| 910 |
| Melting Onset (Solidus), °C | 1600 | |
| 890 |
| Specific Heat Capacity, J/kg-K | 520 | |
| 380 |
| Thermal Expansion, µm/m-K | 9.6 | |
| 21 |
Otherwise Unclassified Properties
| Density, g/cm3 | 5.0 | |
| 8.2 |
| Embodied Carbon, kg CO2/kg material | 52 | |
| 2.6 |
| Embodied Energy, MJ/kg | 860 | |
| 45 |
| Embodied Water, L/kg | 350 | |
| 320 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 71 to 150 | |
| 42 to 75 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 2940 to 5760 | |
| 69 to 160 |
| Stiffness to Weight: Axial, points | 14 | |
| 7.1 |
| Stiffness to Weight: Bending, points | 33 | |
| 19 |
| Strength to Weight: Axial, points | 50 to 70 | |
| 12 to 15 |
| Strength to Weight: Bending, points | 41 to 52 | |
| 13 to 16 |
| Thermal Shock Resistance, points | 55 to 77 | |
| 11 to 14 |
Alloy Composition
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| Aluminum (Al), % | 3.0 to 4.0 | |
| 0 |
| Carbon (C), % | 0 to 0.050 | |
| 0 |
| Chromium (Cr), % | 5.5 to 6.5 | |
| 0 |
| Copper (Cu), % | 0 | |
| 62 to 65 |
| Hydrogen (H), % | 0 to 0.020 | |
| 0 |
| Iron (Fe), % | 0 to 0.3 | |
| 0 to 0.15 |
| Lead (Pb), % | 0 | |
| 1.5 to 2.5 |
| Molybdenum (Mo), % | 3.5 to 4.5 | |
| 0 |
| Nitrogen (N), % | 0 to 0.030 | |
| 0 |
| Oxygen (O), % | 0 to 0.12 | |
| 0 |
| Palladium (Pd), % | 0.040 to 0.080 | |
| 0 |
| Titanium (Ti), % | 71 to 77 | |
| 0 |
| Vanadium (V), % | 7.5 to 8.5 | |
| 0 |
| Zinc (Zn), % | 0 | |
| 32 to 36.5 |
| Zirconium (Zr), % | 3.5 to 4.5 | |
| 0 |
| Residuals, % | 0 to 0.4 | |
| 0 to 0.4 |