C68800 Brass vs. Titanium 4-4-2
C68800 brass belongs to the copper alloys classification, while titanium 4-4-2 belongs to the titanium alloys. There are 27 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.
For each property being compared, the top bar is C68800 brass and the bottom bar is titanium 4-4-2.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 110 |
| Elongation at Break, % | 2.0 to 36 | |
| 10 |
| Poisson's Ratio | 0.32 | |
| 0.32 |
| Shear Modulus, GPa | 41 | |
| 42 |
| Shear Strength, MPa | 380 to 510 | |
| 690 to 750 |
| Tensile Strength: Ultimate (UTS), MPa | 570 to 890 | |
| 1150 to 1250 |
| Tensile Strength: Yield (Proof), MPa | 390 to 790 | |
| 1030 to 1080 |
Thermal Properties
| Latent Heat of Fusion, J/g | 190 | |
| 410 |
| Maximum Temperature: Mechanical, °C | 160 | |
| 310 |
| Melting Completion (Liquidus), °C | 960 | |
| 1610 |
| Melting Onset (Solidus), °C | 950 | |
| 1560 |
| Specific Heat Capacity, J/kg-K | 400 | |
| 540 |
| Thermal Conductivity, W/m-K | 40 | |
| 6.7 |
| Thermal Expansion, µm/m-K | 19 | |
| 8.6 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 26 | |
| 39 |
| Density, g/cm3 | 8.2 | |
| 4.7 |
| Embodied Carbon, kg CO2/kg material | 2.8 | |
| 30 |
| Embodied Energy, MJ/kg | 48 | |
| 480 |
| Embodied Water, L/kg | 350 | |
| 180 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 16 to 180 | |
| 110 to 120 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 710 to 2860 | |
| 4700 to 5160 |
| Stiffness to Weight: Axial, points | 7.3 | |
| 13 |
| Stiffness to Weight: Bending, points | 19 | |
| 34 |
| Strength to Weight: Axial, points | 19 to 30 | |
| 68 to 74 |
| Strength to Weight: Bending, points | 19 to 25 | |
| 52 to 55 |
| Thermal Diffusivity, mm2/s | 12 | |
| 2.6 |
| Thermal Shock Resistance, points | 19 to 30 | |
| 86 to 93 |
Alloy Composition
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| Aluminum (Al), % | 3.0 to 3.8 | |
| 3.0 to 5.0 |
| Carbon (C), % | 0 | |
| 0 to 0.080 |
| Cobalt (Co), % | 0.25 to 0.55 | |
| 0 |
| Copper (Cu), % | 70.8 to 75.5 | |
| 0 |
| Hydrogen (H), % | 0 | |
| 0 to 0.015 |
| Iron (Fe), % | 0 to 0.2 | |
| 0 to 0.2 |
| Lead (Pb), % | 0 to 0.050 | |
| 0 |
| Molybdenum (Mo), % | 0 | |
| 3.0 to 5.0 |
| Nitrogen (N), % | 0 | |
| 0 to 0.050 |
| Oxygen (O), % | 0 | |
| 0 to 0.25 |
| Silicon (Si), % | 0 | |
| 0.3 to 0.7 |
| Tin (Sn), % | 0 | |
| 1.5 to 2.5 |
| Titanium (Ti), % | 0 | |
| 85.8 to 92.2 |
| Zinc (Zn), % | 21.3 to 24.1 | |
| 0 |
| Residuals, % | 0 to 0.5 | |
| 0 to 0.4 |