C47940 Brass vs. Grade 18 Titanium
C47940 brass belongs to the copper alloys classification, while grade 18 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 C47940 brass and the bottom bar is grade 18 titanium.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 100 | |
| 110 |
| Elongation at Break, % | 14 to 34 | |
| 11 to 17 |
| Poisson's Ratio | 0.31 | |
| 0.32 |
| Shear Modulus, GPa | 40 | |
| 40 |
| Shear Strength, MPa | 250 to 310 | |
| 420 to 590 |
| Tensile Strength: Ultimate (UTS), MPa | 380 to 520 | |
| 690 to 980 |
| Tensile Strength: Yield (Proof), MPa | 160 to 390 | |
| 540 to 810 |
Thermal Properties
| Latent Heat of Fusion, J/g | 170 | |
| 410 |
| Maximum Temperature: Mechanical, °C | 130 | |
| 330 |
| Melting Completion (Liquidus), °C | 850 | |
| 1640 |
| Melting Onset (Solidus), °C | 800 | |
| 1590 |
| Specific Heat Capacity, J/kg-K | 380 | |
| 550 |
| Thermal Conductivity, W/m-K | 110 | |
| 8.3 |
| Thermal Expansion, µm/m-K | 20 | |
| 9.9 |
Otherwise Unclassified Properties
| Density, g/cm3 | 8.2 | |
| 4.5 |
| Embodied Carbon, kg CO2/kg material | 2.8 | |
| 41 |
| Embodied Energy, MJ/kg | 47 | |
| 670 |
| Embodied Water, L/kg | 330 | |
| 270 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 68 to 100 | |
| 87 to 110 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 120 to 740 | |
| 1380 to 3110 |
| Stiffness to Weight: Axial, points | 7.1 | |
| 13 |
| Stiffness to Weight: Bending, points | 19 | |
| 35 |
| Strength to Weight: Axial, points | 13 to 17 | |
| 43 to 61 |
| Strength to Weight: Bending, points | 14 to 17 | |
| 39 to 49 |
| Thermal Diffusivity, mm2/s | 36 | |
| 3.4 |
| Thermal Shock Resistance, points | 13 to 17 | |
| 47 to 67 |
Alloy Composition
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| Aluminum (Al), % | 0 | |
| 2.5 to 3.5 |
| Carbon (C), % | 0 | |
| 0 to 0.080 |
| Copper (Cu), % | 63 to 66 | |
| 0 |
| Hydrogen (H), % | 0 | |
| 0 to 0.015 |
| Iron (Fe), % | 0.1 to 1.0 | |
| 0 to 0.25 |
| Lead (Pb), % | 1.0 to 2.0 | |
| 0 |
| Nickel (Ni), % | 0.1 to 0.5 | |
| 0 |
| Nitrogen (N), % | 0 | |
| 0 to 0.030 |
| Oxygen (O), % | 0 | |
| 0 to 0.15 |
| Palladium (Pd), % | 0 | |
| 0.040 to 0.080 |
| Tin (Sn), % | 1.2 to 2.0 | |
| 0 |
| Titanium (Ti), % | 0 | |
| 92.5 to 95.5 |
| Vanadium (V), % | 0 | |
| 2.0 to 3.0 |
| Zinc (Zn), % | 28.1 to 34.6 | |
| 0 |
| Residuals, % | 0 to 0.4 | |
| 0 to 0.4 |