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707.0 Aluminum vs. ZC63A Magnesium

707.0 aluminum belongs to the aluminum alloys classification, while ZC63A magnesium belongs to the magnesium alloys. There are 30 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is 707.0 aluminum and the bottom bar is ZC63A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
48
Elongation at Break, % 1.7 to 3.4
3.3
Fatigue Strength, MPa 75 to 140
94
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
19
Tensile Strength: Ultimate (UTS), MPa 270 to 300
220
Tensile Strength: Yield (Proof), MPa 170 to 250
130

Thermal Properties

Latent Heat of Fusion, J/g 380
330
Maximum Temperature: Mechanical, °C 180
98
Melting Completion (Liquidus), °C 630
550
Melting Onset (Solidus), °C 600
470
Solidification (Pattern Maker's) Shrinkage, % 1.6
1.6
Specific Heat Capacity, J/kg-K 880
950
Thermal Conductivity, W/m-K 150
120
Thermal Expansion, µm/m-K 24
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 37
32
Electrical Conductivity: Equal Weight (Specific), % IACS 110
140

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
13
Density, g/cm3 2.9
2.1
Embodied Carbon, kg CO2/kg material 8.3
22
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1140
920

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.3 to 8.6
6.3
Resilience: Unit (Modulus of Resilience), kJ/m3 210 to 430
190
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 47
58
Strength to Weight: Axial, points 26 to 29
29
Strength to Weight: Bending, points 32 to 34
38
Thermal Diffusivity, mm2/s 58
58
Thermal Shock Resistance, points 12 to 13
12

Alloy Composition

Aluminum (Al), % 90.5 to 93.6
0
Chromium (Cr), % 0.2 to 0.4
0
Copper (Cu), % 0 to 0.2
2.4 to 3.0
Iron (Fe), % 0 to 0.8
0
Magnesium (Mg), % 1.8 to 2.4
89.2 to 91.9
Manganese (Mn), % 0.4 to 0.6
0.25 to 0.75
Nickel (Ni), % 0
0 to 0.010
Silicon (Si), % 0 to 0.2
0 to 0.2
Titanium (Ti), % 0 to 0.25
0
Zinc (Zn), % 4.0 to 4.5
5.5 to 6.5
Residuals, % 0
0 to 0.3