ZA-8 vs. ASTM B817 Type II
ZA-8 belongs to the zinc alloys classification, while ASTM B817 type II belongs to the titanium alloys. There are 25 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.
For each property being compared, the top bar is ZA-8 and the bottom bar is ASTM B817 type II.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 85 to 86 | |
| 100 |
| Elongation at Break, % | 1.3 to 8.0 | |
| 3.0 to 13 |
| Fatigue Strength, MPa | 51 to 100 | |
| 390 to 530 |
| Poisson's Ratio | 0.26 | |
| 0.32 |
| Shear Modulus, GPa | 34 | |
| 40 |
| Tensile Strength: Ultimate (UTS), MPa | 210 to 370 | |
| 900 to 960 |
| Tensile Strength: Yield (Proof), MPa | 210 to 290 | |
| 780 to 900 |
Thermal Properties
| Latent Heat of Fusion, J/g | 110 | |
| 400 |
| Maximum Temperature: Mechanical, °C | 100 | |
| 350 |
| Melting Completion (Liquidus), °C | 400 | |
| 1580 |
| Melting Onset (Solidus), °C | 380 | |
| 1530 |
| Specific Heat Capacity, J/kg-K | 440 | |
| 550 |
| Thermal Expansion, µm/m-K | 23 | |
| 9.9 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 11 | |
| 37 |
| Density, g/cm3 | 6.3 | |
| 4.6 |
| Embodied Carbon, kg CO2/kg material | 3.3 | |
| 40 |
| Embodied Energy, MJ/kg | 62 | |
| 650 |
| Embodied Water, L/kg | 420 | |
| 220 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 2.8 to 28 | |
| 26 to 120 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 260 to 490 | |
| 2890 to 3890 |
| Stiffness to Weight: Axial, points | 7.5 | |
| 13 |
| Stiffness to Weight: Bending, points | 23 | |
| 34 |
| Strength to Weight: Axial, points | 9.3 to 17 | |
| 55 to 58 |
| Strength to Weight: Bending, points | 12 to 18 | |
| 45 to 47 |
| Thermal Shock Resistance, points | 7.6 to 13 | |
| 62 to 66 |
Alloy Composition
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| Aluminum (Al), % | 8.0 to 8.8 | |
| 5.0 to 6.0 |
| Cadmium (Cd), % | 0 to 0.0060 | |
| 0 |
| Carbon (C), % | 0 | |
| 0 to 0.1 |
| Chlorine (Cl), % | 0 | |
| 0 to 0.2 |
| Copper (Cu), % | 0.8 to 1.3 | |
| 0.35 to 1.0 |
| Hydrogen (H), % | 0 | |
| 0 to 0.015 |
| Iron (Fe), % | 0 to 0.075 | |
| 0.35 to 1.0 |
| 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 0.040 |
| Oxygen (O), % | 0 | |
| 0 to 0.3 |
| Silicon (Si), % | 0 to 0.045 | |
| 0 to 0.1 |
| Sodium (Na), % | 0 | |
| 0 to 0.2 |
| Tin (Sn), % | 0 to 0.0030 | |
| 1.5 to 2.5 |
| Titanium (Ti), % | 0 | |
| 82.1 to 87.8 |
| Vanadium (V), % | 0 | |
| 5.0 to 6.0 |
| Zinc (Zn), % | 89.7 to 91.2 | |
| 0 |
| Residuals, % | 0 | |
| 0 to 0.4 |