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A356.0 Aluminum vs. AZ63A Magnesium

A356.0 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 A356.0 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, % 3.0 to 6.0
2.2 to 8.0
Fatigue Strength, MPa 50 to 90
76 to 83
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
18
Tensile Strength: Ultimate (UTS), MPa 160 to 270
190 to 270
Tensile Strength: Yield (Proof), MPa 83 to 200
81 to 120

Thermal Properties

Latent Heat of Fusion, J/g 500
350
Maximum Temperature: Mechanical, °C 170
120
Melting Completion (Liquidus), °C 610
610
Melting Onset (Solidus), °C 570
450
Solidification (Pattern Maker's) Shrinkage, % 1.3
1.3
Specific Heat Capacity, J/kg-K 900
980
Thermal Conductivity, W/m-K 150
52 to 65
Thermal Expansion, µm/m-K 21
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 40
12 to 15
Electrical Conductivity: Equal Weight (Specific), % IACS 140
59 to 74

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
12
Density, g/cm3 2.6
1.8
Embodied Carbon, kg CO2/kg material 8.0
22
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1110
970

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.8 to 15
3.7 to 16
Resilience: Unit (Modulus of Resilience), kJ/m3 49 to 300
71 to 160
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 53
66
Strength to Weight: Axial, points 17 to 29
29 to 41
Strength to Weight: Bending, points 25 to 36
40 to 51
Thermal Diffusivity, mm2/s 64
29 to 37
Thermal Shock Resistance, points 7.6 to 13
11 to 16

Alloy Composition

Aluminum (Al), % 91.1 to 93.3
5.3 to 6.7
Copper (Cu), % 0 to 0.2
0 to 0.25
Iron (Fe), % 0 to 0.2
0
Magnesium (Mg), % 0.25 to 0.45
88.6 to 92.1
Manganese (Mn), % 0 to 0.1
0.15 to 0.35
Nickel (Ni), % 0
0 to 0.010
Silicon (Si), % 6.5 to 7.5
0 to 0.3
Titanium (Ti), % 0 to 0.2
0
Zinc (Zn), % 0 to 0.1
2.5 to 3.5
Residuals, % 0
0 to 0.3

Comparable Variants