Grade 18 Titanium vs. C42600 Brass
Grade 18 titanium belongs to the titanium alloys classification, while C42600 brass belongs to the copper alloys. There are 28 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.
For each property being compared, the top bar is grade 18 titanium and the bottom bar is C42600 brass.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 110 |
| Elongation at Break, % | 11 to 17 | |
| 1.1 to 40 |
| Poisson's Ratio | 0.32 | |
| 0.33 |
| Shear Modulus, GPa | 40 | |
| 42 |
| Shear Strength, MPa | 420 to 590 | |
| 280 to 470 |
| Tensile Strength: Ultimate (UTS), MPa | 690 to 980 | |
| 410 to 830 |
| Tensile Strength: Yield (Proof), MPa | 540 to 810 | |
| 220 to 810 |
Thermal Properties
| Latent Heat of Fusion, J/g | 410 | |
| 200 |
| Maximum Temperature: Mechanical, °C | 330 | |
| 180 |
| Melting Completion (Liquidus), °C | 1640 | |
| 1030 |
| Melting Onset (Solidus), °C | 1590 | |
| 1010 |
| Specific Heat Capacity, J/kg-K | 550 | |
| 380 |
| Thermal Conductivity, W/m-K | 8.3 | |
| 110 |
| Thermal Expansion, µm/m-K | 9.9 | |
| 18 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 1.3 | |
| 25 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 2.7 | |
| 26 |
Otherwise Unclassified Properties
| Density, g/cm3 | 4.5 | |
| 8.7 |
| Embodied Carbon, kg CO2/kg material | 41 | |
| 2.9 |
| Embodied Energy, MJ/kg | 670 | |
| 48 |
| Embodied Water, L/kg | 270 | |
| 340 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 87 to 110 | |
| 9.4 to 140 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 1380 to 3110 | |
| 230 to 2970 |
| Stiffness to Weight: Axial, points | 13 | |
| 7.1 |
| Stiffness to Weight: Bending, points | 35 | |
| 18 |
| Strength to Weight: Axial, points | 43 to 61 | |
| 13 to 27 |
| Strength to Weight: Bending, points | 39 to 49 | |
| 14 to 23 |
| Thermal Diffusivity, mm2/s | 3.4 | |
| 33 |
| Thermal Shock Resistance, points | 47 to 67 | |
| 15 to 29 |
Alloy Composition
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| Aluminum (Al), % | 2.5 to 3.5 | |
| 0 |
| Carbon (C), % | 0 to 0.080 | |
| 0 |
| Copper (Cu), % | 0 | |
| 87 to 90 |
| Hydrogen (H), % | 0 to 0.015 | |
| 0 |
| Iron (Fe), % | 0 to 0.25 | |
| 0.050 to 0.2 |
| Lead (Pb), % | 0 | |
| 0 to 0.050 |
| Nickel (Ni), % | 0 | |
| 0.050 to 0.2 |
| Nitrogen (N), % | 0 to 0.030 | |
| 0 |
| Oxygen (O), % | 0 to 0.15 | |
| 0 |
| Palladium (Pd), % | 0.040 to 0.080 | |
| 0 |
| Phosphorus (P), % | 0 | |
| 0.020 to 0.050 |
| Tin (Sn), % | 0 | |
| 2.5 to 4.0 |
| Titanium (Ti), % | 92.5 to 95.5 | |
| 0 |
| Vanadium (V), % | 2.0 to 3.0 | |
| 0 |
| Zinc (Zn), % | 0 | |
| 5.3 to 10.4 |
| Residuals, % | 0 to 0.4 | |
| 0 to 0.2 |