ZA-8 vs. Grade 7 Titanium
ZA-8 belongs to the zinc alloys classification, while grade 7 titanium belongs to the titanium alloys. There are 30 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.
For each property being compared, the top bar is ZA-8 and the bottom bar is grade 7 titanium.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 87 to 100 | |
| 150 |
| Elastic (Young's, Tensile) Modulus, GPa | 85 to 86 | |
| 110 |
| Elongation at Break, % | 1.3 to 8.0 | |
| 24 |
| Fatigue Strength, MPa | 51 to 100 | |
| 250 |
| Poisson's Ratio | 0.26 | |
| 0.32 |
| Shear Modulus, GPa | 34 | |
| 38 |
| Shear Strength, MPa | 240 to 280 | |
| 270 |
| Tensile Strength: Ultimate (UTS), MPa | 210 to 370 | |
| 420 |
| Tensile Strength: Yield (Proof), MPa | 210 to 290 | |
| 340 |
Thermal Properties
| Latent Heat of Fusion, J/g | 110 | |
| 420 |
| Maximum Temperature: Mechanical, °C | 100 | |
| 320 |
| Melting Completion (Liquidus), °C | 400 | |
| 1660 |
| Melting Onset (Solidus), °C | 380 | |
| 1610 |
| Specific Heat Capacity, J/kg-K | 440 | |
| 540 |
| Thermal Conductivity, W/m-K | 120 | |
| 22 |
| Thermal Expansion, µm/m-K | 23 | |
| 9.2 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 28 | |
| 3.6 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 40 | |
| 7.2 |
Otherwise Unclassified Properties
| Density, g/cm3 | 6.3 | |
| 4.5 |
| Embodied Carbon, kg CO2/kg material | 3.3 | |
| 47 |
| Embodied Energy, MJ/kg | 62 | |
| 800 |
| Embodied Water, L/kg | 420 | |
| 470 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 2.8 to 28 | |
| 95 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 260 to 490 | |
| 560 |
| Stiffness to Weight: Axial, points | 7.5 | |
| 13 |
| Stiffness to Weight: Bending, points | 23 | |
| 35 |
| Strength to Weight: Axial, points | 9.3 to 17 | |
| 26 |
| Strength to Weight: Bending, points | 12 to 18 | |
| 28 |
| Thermal Diffusivity, mm2/s | 42 | |
| 8.9 |
| Thermal Shock Resistance, points | 7.6 to 13 | |
| 31 |
Alloy Composition
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| Aluminum (Al), % | 8.0 to 8.8 | |
| 0 |
| Cadmium (Cd), % | 0 to 0.0060 | |
| 0 |
| Carbon (C), % | 0 | |
| 0 to 0.080 |
| Copper (Cu), % | 0.8 to 1.3 | |
| 0 |
| Hydrogen (H), % | 0 | |
| 0 to 0.015 |
| Iron (Fe), % | 0 to 0.075 | |
| 0 to 0.3 |
| Lead (Pb), % | 0 to 0.0060 | |
| 0 |
| Magnesium (Mg), % | 0.015 to 0.030 | |
| 0 |
| Nickel (Ni), % | 0 to 0.020 | |
| 0 |
| Nitrogen (N), % | 0 | |
| 0 to 0.030 |
| Oxygen (O), % | 0 | |
| 0 to 0.25 |
| Palladium (Pd), % | 0 | |
| 0.12 to 0.25 |
| Silicon (Si), % | 0 to 0.045 | |
| 0 |
| Tin (Sn), % | 0 to 0.0030 | |
| 0 |
| Titanium (Ti), % | 0 | |
| 98.7 to 99.88 |
| Zinc (Zn), % | 89.7 to 91.2 | |
| 0 |
| Residuals, % | 0 | |
| 0 to 0.4 |