C69700 Brass vs. Grade 25 Titanium
C69700 brass belongs to the copper alloys classification, while grade 25 titanium belongs to the titanium alloys. There are 26 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.
For each property being compared, the top bar is C69700 brass and the bottom bar is grade 25 titanium.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 110 |
| Elongation at Break, % | 25 | |
| 11 |
| Poisson's Ratio | 0.32 | |
| 0.32 |
| Shear Modulus, GPa | 41 | |
| 40 |
| Shear Strength, MPa | 300 | |
| 600 |
| Tensile Strength: Ultimate (UTS), MPa | 470 | |
| 1000 |
| Tensile Strength: Yield (Proof), MPa | 230 | |
| 940 |
Thermal Properties
| Latent Heat of Fusion, J/g | 240 | |
| 410 |
| Maximum Temperature: Mechanical, °C | 160 | |
| 340 |
| Melting Completion (Liquidus), °C | 930 | |
| 1610 |
| Melting Onset (Solidus), °C | 880 | |
| 1560 |
| Specific Heat Capacity, J/kg-K | 400 | |
| 560 |
| Thermal Conductivity, W/m-K | 43 | |
| 7.1 |
| Thermal Expansion, µm/m-K | 19 | |
| 9.6 |
Otherwise Unclassified Properties
| Density, g/cm3 | 8.3 | |
| 4.5 |
| Embodied Carbon, kg CO2/kg material | 2.7 | |
| 43 |
| Embodied Energy, MJ/kg | 44 | |
| 700 |
| Embodied Water, L/kg | 310 | |
| 320 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 99 | |
| 110 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 250 | |
| 4220 |
| Stiffness to Weight: Axial, points | 7.3 | |
| 13 |
| Stiffness to Weight: Bending, points | 19 | |
| 35 |
| Strength to Weight: Axial, points | 16 | |
| 62 |
| Strength to Weight: Bending, points | 16 | |
| 50 |
| Thermal Diffusivity, mm2/s | 13 | |
| 2.8 |
| Thermal Shock Resistance, points | 16 | |
| 71 |
Alloy Composition
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| Aluminum (Al), % | 0 | |
| 5.5 to 6.8 |
| Carbon (C), % | 0 | |
| 0 to 0.080 |
| Copper (Cu), % | 75 to 80 | |
| 0 |
| Hydrogen (H), % | 0 | |
| 0 to 0.013 |
| Iron (Fe), % | 0 to 0.2 | |
| 0 to 0.4 |
| Lead (Pb), % | 0.5 to 1.5 | |
| 0 |
| Manganese (Mn), % | 0 to 0.4 | |
| 0 |
| Nickel (Ni), % | 0 | |
| 0.3 to 0.8 |
| Nitrogen (N), % | 0 | |
| 0 to 0.050 |
| Oxygen (O), % | 0 | |
| 0 to 0.2 |
| Palladium (Pd), % | 0 | |
| 0.040 to 0.080 |
| Silicon (Si), % | 2.5 to 3.5 | |
| 0 |
| Titanium (Ti), % | 0 | |
| 86.7 to 90.6 |
| Vanadium (V), % | 0 | |
| 3.5 to 4.5 |
| Zinc (Zn), % | 13.9 to 22 | |
| 0 |
| Residuals, % | 0 to 0.5 | |
| 0 to 0.4 |