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2017 Aluminum vs. AZ63A Magnesium

2017 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 2017 aluminum and the bottom bar is AZ63A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
46
Elongation at Break, % 12 to 18
2.2 to 8.0
Fatigue Strength, MPa 90 to 130
76 to 83
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 27
18
Shear Strength, MPa 130 to 260
110 to 160
Tensile Strength: Ultimate (UTS), MPa 190 to 430
190 to 270
Tensile Strength: Yield (Proof), MPa 76 to 260
81 to 120

Thermal Properties

Latent Heat of Fusion, J/g 390
350
Maximum Temperature: Mechanical, °C 190
120
Melting Completion (Liquidus), °C 640
610
Melting Onset (Solidus), °C 510
450
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 38
12 to 15
Electrical Conductivity: Equal Weight (Specific), % IACS 110
59 to 74

Otherwise Unclassified Properties

Base Metal Price, % relative 10
12
Density, g/cm3 3.0
1.8
Embodied Carbon, kg CO2/kg material 8.0
22
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1140
970

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 24 to 66
3.7 to 16
Resilience: Unit (Modulus of Resilience), kJ/m3 41 to 470
71 to 160
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 46
66
Strength to Weight: Axial, points 17 to 40
29 to 41
Strength to Weight: Bending, points 24 to 42
40 to 51
Thermal Diffusivity, mm2/s 56
29 to 37
Thermal Shock Resistance, points 7.9 to 18
11 to 16

Alloy Composition

Aluminum (Al), % 91.6 to 95.5
5.3 to 6.7
Chromium (Cr), % 0 to 0.1
0
Copper (Cu), % 3.5 to 4.5
0 to 0.25
Iron (Fe), % 0 to 0.7
0
Magnesium (Mg), % 0.4 to 0.8
88.6 to 92.1
Manganese (Mn), % 0.4 to 1.0
0.15 to 0.35
Nickel (Ni), % 0
0 to 0.010
Silicon (Si), % 0.2 to 0.8
0 to 0.3
Titanium (Ti), % 0 to 0.15
0
Zinc (Zn), % 0 to 0.25
2.5 to 3.5
Residuals, % 0
0 to 0.3

Comparable Variants