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AZ63A Magnesium vs. 707.0 Aluminum

AZ63A magnesium belongs to the magnesium alloys classification, while 707.0 aluminum belongs to the aluminum 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 AZ63A magnesium and the bottom bar is 707.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

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

Electrical Properties

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

Otherwise Unclassified Properties

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

Common Calculations

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

Alloy Composition

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

Comparable Variants