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EN AC-42100 Aluminum vs. ZC63A Magnesium

EN AC-42100 aluminum belongs to the aluminum alloys classification, while ZC63A 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 EN AC-42100 aluminum and the bottom bar is ZC63A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 91
60
Elastic (Young's, Tensile) Modulus, GPa 70
48
Elongation at Break, % 3.4 to 9.0
3.3
Fatigue Strength, MPa 76 to 82
94
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
19
Tensile Strength: Ultimate (UTS), MPa 280 to 290
220
Tensile Strength: Yield (Proof), MPa 210 to 230
130

Thermal Properties

Latent Heat of Fusion, J/g 500
330
Maximum Temperature: Mechanical, °C 170
98
Melting Completion (Liquidus), °C 610
550
Melting Onset (Solidus), °C 600
470
Specific Heat Capacity, J/kg-K 910
950
Thermal Conductivity, W/m-K 150
120
Thermal Expansion, µm/m-K 22
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 41
32
Electrical Conductivity: Equal Weight (Specific), % IACS 140
140

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
13
Density, g/cm3 2.6
2.1
Embodied Carbon, kg CO2/kg material 8.0
22
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1110
920

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 9.1 to 23
6.3
Resilience: Unit (Modulus of Resilience), kJ/m3 300 to 370
190
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 53
58
Strength to Weight: Axial, points 30 to 31
29
Strength to Weight: Bending, points 37 to 38
38
Thermal Diffusivity, mm2/s 66
58
Thermal Shock Resistance, points 13
12

Alloy Composition

Aluminum (Al), % 91.3 to 93.3
0
Copper (Cu), % 0 to 0.050
2.4 to 3.0
Iron (Fe), % 0 to 0.19
0
Magnesium (Mg), % 0.25 to 0.45
89.2 to 91.9
Manganese (Mn), % 0 to 0.1
0.25 to 0.75
Nickel (Ni), % 0
0 to 0.010
Silicon (Si), % 6.5 to 7.5
0 to 0.2
Titanium (Ti), % 0 to 0.25
0
Zinc (Zn), % 0 to 0.070
5.5 to 6.5
Residuals, % 0
0 to 0.3