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204.0 Aluminum vs. AZ63A Magnesium

204.0 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 (2, in this case) are not shown.

For each property being compared, the top bar is 204.0 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, % 5.7 to 7.8
2.2 to 8.0
Fatigue Strength, MPa 63 to 77
76 to 83
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 27
18
Tensile Strength: Ultimate (UTS), MPa 230 to 340
190 to 270
Tensile Strength: Yield (Proof), MPa 180 to 220
81 to 120

Thermal Properties

Latent Heat of Fusion, J/g 390
350
Maximum Temperature: Mechanical, °C 170
120
Melting Completion (Liquidus), °C 650
610
Melting Onset (Solidus), °C 580
450
Solidification (Pattern Maker's) Shrinkage, % 1.3
1.3
Specific Heat Capacity, J/kg-K 880
980
Thermal Conductivity, W/m-K 120
52 to 65
Thermal Expansion, µm/m-K 19
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 29 to 34
12 to 15
Electrical Conductivity: Equal Weight (Specific), % IACS 87 to 100
59 to 74

Otherwise Unclassified Properties

Base Metal Price, % relative 11
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 1150
970

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 12 to 23
3.7 to 16
Resilience: Unit (Modulus of Resilience), kJ/m3 220 to 350
71 to 160
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 46
66
Strength to Weight: Axial, points 21 to 31
29 to 41
Strength to Weight: Bending, points 28 to 36
40 to 51
Thermal Diffusivity, mm2/s 46
29 to 37
Thermal Shock Resistance, points 12 to 18
11 to 16

Alloy Composition

Aluminum (Al), % 93.4 to 95.5
5.3 to 6.7
Copper (Cu), % 4.2 to 5.0
0 to 0.25
Iron (Fe), % 0 to 0.35
0
Magnesium (Mg), % 0.15 to 0.35
88.6 to 92.1
Manganese (Mn), % 0 to 0.1
0.15 to 0.35
Nickel (Ni), % 0 to 0.050
0 to 0.010
Silicon (Si), % 0 to 0.2
0 to 0.3
Tin (Sn), % 0 to 0.050
0
Titanium (Ti), % 0.15 to 0.3
0
Zinc (Zn), % 0 to 0.1
2.5 to 3.5
Residuals, % 0
0 to 0.3

Comparable Variants