C68800 Brass vs. Grade 20 Titanium
C68800 brass belongs to the copper alloys classification, while grade 20 titanium belongs to the titanium alloys. There are 24 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.
For each property being compared, the top bar is C68800 brass and the bottom bar is grade 20 titanium.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 120 |
| Elongation at Break, % | 2.0 to 36 | |
| 5.7 to 17 |
| Poisson's Ratio | 0.32 | |
| 0.32 |
| Shear Modulus, GPa | 41 | |
| 47 |
| Shear Strength, MPa | 380 to 510 | |
| 560 to 740 |
| Tensile Strength: Ultimate (UTS), MPa | 570 to 890 | |
| 900 to 1270 |
| Tensile Strength: Yield (Proof), MPa | 390 to 790 | |
| 850 to 1190 |
Thermal Properties
| Latent Heat of Fusion, J/g | 190 | |
| 400 |
| Maximum Temperature: Mechanical, °C | 160 | |
| 370 |
| Melting Completion (Liquidus), °C | 960 | |
| 1660 |
| Melting Onset (Solidus), °C | 950 | |
| 1600 |
| Specific Heat Capacity, J/kg-K | 400 | |
| 520 |
| Thermal Expansion, µm/m-K | 19 | |
| 9.6 |
Otherwise Unclassified Properties
| Density, g/cm3 | 8.2 | |
| 5.0 |
| Embodied Carbon, kg CO2/kg material | 2.8 | |
| 52 |
| Embodied Energy, MJ/kg | 48 | |
| 860 |
| Embodied Water, L/kg | 350 | |
| 350 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 16 to 180 | |
| 71 to 150 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 710 to 2860 | |
| 2940 to 5760 |
| Stiffness to Weight: Axial, points | 7.3 | |
| 14 |
| Stiffness to Weight: Bending, points | 19 | |
| 33 |
| Strength to Weight: Axial, points | 19 to 30 | |
| 50 to 70 |
| Strength to Weight: Bending, points | 19 to 25 | |
| 41 to 52 |
| Thermal Shock Resistance, points | 19 to 30 | |
| 55 to 77 |
Alloy Composition
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| Aluminum (Al), % | 3.0 to 3.8 | |
| 3.0 to 4.0 |
| Carbon (C), % | 0 | |
| 0 to 0.050 |
| Chromium (Cr), % | 0 | |
| 5.5 to 6.5 |
| Cobalt (Co), % | 0.25 to 0.55 | |
| 0 |
| Copper (Cu), % | 70.8 to 75.5 | |
| 0 |
| Hydrogen (H), % | 0 | |
| 0 to 0.020 |
| Iron (Fe), % | 0 to 0.2 | |
| 0 to 0.3 |
| Lead (Pb), % | 0 to 0.050 | |
| 0 |
| Molybdenum (Mo), % | 0 | |
| 3.5 to 4.5 |
| Nitrogen (N), % | 0 | |
| 0 to 0.030 |
| Oxygen (O), % | 0 | |
| 0 to 0.12 |
| Palladium (Pd), % | 0 | |
| 0.040 to 0.080 |
| Titanium (Ti), % | 0 | |
| 71 to 77 |
| Vanadium (V), % | 0 | |
| 7.5 to 8.5 |
| Zinc (Zn), % | 21.3 to 24.1 | |
| 0 |
| Zirconium (Zr), % | 0 | |
| 3.5 to 4.5 |
| Residuals, % | 0 to 0.5 | |
| 0 to 0.4 |