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707.0 Aluminum vs. AZ63A Magnesium

707.0 aluminum belongs to the aluminum alloys classification, while AZ63A magnesium belongs to the magnesium alloys. There are 30 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is 707.0 aluminum and the bottom bar is AZ63A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
46
Elongation at Break, % 1.7 to 3.4
2.2 to 8.0
Fatigue Strength, MPa 75 to 140
76 to 83
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
18
Tensile Strength: Ultimate (UTS), MPa 270 to 300
190 to 270
Tensile Strength: Yield (Proof), MPa 170 to 250
81 to 120

Thermal Properties

Latent Heat of Fusion, J/g 380
350
Maximum Temperature: Mechanical, °C 180
120
Melting Completion (Liquidus), °C 630
610
Melting Onset (Solidus), °C 600
450
Solidification (Pattern Maker's) Shrinkage, % 1.6
1.3
Specific Heat Capacity, J/kg-K 880
980
Thermal Conductivity, W/m-K 150
52 to 65
Thermal Expansion, µm/m-K 24
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 37
12 to 15
Electrical Conductivity: Equal Weight (Specific), % IACS 110
59 to 74

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
12
Density, g/cm3 2.9
1.8
Embodied Carbon, kg CO2/kg material 8.3
22
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1140
970

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.3 to 8.6
3.7 to 16
Resilience: Unit (Modulus of Resilience), kJ/m3 210 to 430
71 to 160
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 47
66
Strength to Weight: Axial, points 26 to 29
29 to 41
Strength to Weight: Bending, points 32 to 34
40 to 51
Thermal Diffusivity, mm2/s 58
29 to 37
Thermal Shock Resistance, points 12 to 13
11 to 16

Alloy Composition

Aluminum (Al), % 90.5 to 93.6
5.3 to 6.7
Chromium (Cr), % 0.2 to 0.4
0
Copper (Cu), % 0 to 0.2
0 to 0.25
Iron (Fe), % 0 to 0.8
0
Magnesium (Mg), % 1.8 to 2.4
88.6 to 92.1
Manganese (Mn), % 0.4 to 0.6
0.15 to 0.35
Nickel (Ni), % 0
0 to 0.010
Silicon (Si), % 0 to 0.2
0 to 0.3
Titanium (Ti), % 0 to 0.25
0
Zinc (Zn), % 4.0 to 4.5
2.5 to 3.5
Residuals, % 0
0 to 0.3

Comparable Variants