771.0 Aluminum vs. ZA-12
771.0 aluminum belongs to the aluminum alloys classification, while ZA-12 belongs to the zinc alloys. There are 31 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 771.0 aluminum and the bottom bar is ZA-12.
Metric UnitsUS Customary Units
Mechanical Properties
Brinell Hardness | 85 to 120 | |
89 to 100 |
Elastic (Young's, Tensile) Modulus, GPa | 70 | |
83 |
Elongation at Break, % | 1.7 to 6.5 | |
1.6 to 5.3 |
Fatigue Strength, MPa | 92 to 180 | |
73 to 120 |
Poisson's Ratio | 0.32 | |
0.26 |
Shear Modulus, GPa | 26 | |
33 |
Tensile Strength: Ultimate (UTS), MPa | 250 to 370 | |
260 to 400 |
Tensile Strength: Yield (Proof), MPa | 210 to 350 | |
210 to 320 |
Thermal Properties
Latent Heat of Fusion, J/g | 380 | |
120 |
Maximum Temperature: Mechanical, °C | 180 | |
100 |
Melting Completion (Liquidus), °C | 630 | |
430 |
Melting Onset (Solidus), °C | 620 | |
380 |
Solidification (Pattern Maker's) Shrinkage, % | 1.6 | |
1.3 |
Specific Heat Capacity, J/kg-K | 870 | |
450 |
Thermal Conductivity, W/m-K | 140 to 150 | |
120 |
Thermal Expansion, µm/m-K | 24 | |
24 |
Electrical Properties
Electrical Conductivity: Equal Volume, % IACS | 27 | |
28 |
Electrical Conductivity: Equal Weight (Specific), % IACS | 82 | |
42 |
Otherwise Unclassified Properties
Base Metal Price, % relative | 9.5 | |
11 |
Density, g/cm3 | 3.0 | |
6.0 |
Embodied Carbon, kg CO2/kg material | 8.0 | |
3.4 |
Embodied Energy, MJ/kg | 150 | |
64 |
Embodied Water, L/kg | 1130 | |
440 |
Common Calculations
Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 4.4 to 20 | |
4.0 to 20 |
Resilience: Unit (Modulus of Resilience), kJ/m3 | 310 to 900 | |
260 to 620 |
Stiffness to Weight: Axial, points | 13 | |
7.6 |
Stiffness to Weight: Bending, points | 46 | |
24 |
Strength to Weight: Axial, points | 23 to 35 | |
12 to 19 |
Strength to Weight: Bending, points | 29 to 39 | |
15 to 20 |
Thermal Diffusivity, mm2/s | 54 to 58 | |
43 |
Thermal Shock Resistance, points | 11 to 16 | |
9.4 to 14 |
Alloy Composition
Aluminum (Al), % | 90.5 to 92.5 | |
10.5 to 11.5 |
Cadmium (Cd), % | 0 | |
0 to 0.0060 |
Chromium (Cr), % | 0.060 to 0.2 | |
0 |
Copper (Cu), % | 0 to 0.1 | |
0.5 to 1.2 |
Iron (Fe), % | 0 to 0.15 | |
0 to 0.075 |
Lead (Pb), % | 0 | |
0 to 0.0060 |
Magnesium (Mg), % | 0.8 to 1.0 | |
0.015 to 0.030 |
Manganese (Mn), % | 0 to 0.1 | |
0 |
Nickel (Ni), % | 0 | |
0 to 0.020 |
Silicon (Si), % | 0 to 0.15 | |
0 to 0.060 |
Tin (Sn), % | 0 | |
0 to 0.0030 |
Titanium (Ti), % | 0.1 to 0.2 | |
0 |
Zinc (Zn), % | 6.5 to 7.5 | |
87.1 to 89 |
Residuals, % | 0 to 0.15 | |
0 |