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A413.0 Aluminum vs. ZK51A Magnesium

A413.0 aluminum belongs to the aluminum alloys classification, while ZK51A 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 A413.0 aluminum and the bottom bar is ZK51A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 73
45
Elongation at Break, % 3.5
4.7
Fatigue Strength, MPa 130
62
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 27
18
Shear Strength, MPa 170
160
Tensile Strength: Ultimate (UTS), MPa 240
240
Tensile Strength: Yield (Proof), MPa 130
150

Thermal Properties

Latent Heat of Fusion, J/g 570
340
Maximum Temperature: Mechanical, °C 170
120
Melting Completion (Liquidus), °C 590
640
Melting Onset (Solidus), °C 580
550
Specific Heat Capacity, J/kg-K 900
970
Thermal Conductivity, W/m-K 120
110
Thermal Expansion, µm/m-K 21
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 31
28
Electrical Conductivity: Equal Weight (Specific), % IACS 110
140

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
13
Density, g/cm3 2.6
1.8
Embodied Carbon, kg CO2/kg material 7.6
24
Embodied Energy, MJ/kg 140
160
Embodied Water, L/kg 1040
940

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 7.1
10
Resilience: Unit (Modulus of Resilience), kJ/m3 120
260
Stiffness to Weight: Axial, points 16
14
Stiffness to Weight: Bending, points 54
64
Strength to Weight: Axial, points 25
36
Strength to Weight: Bending, points 33
47
Thermal Diffusivity, mm2/s 52
61
Thermal Shock Resistance, points 11
15

Alloy Composition

Aluminum (Al), % 82.9 to 89
0
Copper (Cu), % 0 to 1.0
0 to 0.1
Iron (Fe), % 0 to 1.3
0
Magnesium (Mg), % 0 to 0.1
93.1 to 95.9
Manganese (Mn), % 0 to 0.35
0
Nickel (Ni), % 0 to 0.5
0 to 0.010
Silicon (Si), % 11 to 13
0
Tin (Sn), % 0 to 0.15
0
Zinc (Zn), % 0 to 0.5
3.6 to 5.5
Zirconium (Zr), % 0
0.5 to 1.0
Residuals, % 0
0 to 0.3