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384.0 Aluminum vs. ZE41A Magnesium

384.0 aluminum belongs to the aluminum alloys classification, while ZE41A magnesium belongs to the magnesium alloys. There are 31 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is 384.0 aluminum and the bottom bar is ZE41A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 85
63
Elastic (Young's, Tensile) Modulus, GPa 74
45
Elongation at Break, % 2.5
3.3
Fatigue Strength, MPa 140
98
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 28
18
Shear Strength, MPa 200
150
Tensile Strength: Ultimate (UTS), MPa 330
210
Tensile Strength: Yield (Proof), MPa 170
140

Thermal Properties

Latent Heat of Fusion, J/g 550
330
Maximum Temperature: Mechanical, °C 170
150
Melting Completion (Liquidus), °C 580
640
Melting Onset (Solidus), °C 530
540
Specific Heat Capacity, J/kg-K 870
970
Thermal Conductivity, W/m-K 96
110
Thermal Expansion, µm/m-K 21
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 22
27
Electrical Conductivity: Equal Weight (Specific), % IACS 69
130

Otherwise Unclassified Properties

Base Metal Price, % relative 11
18
Density, g/cm3 2.9
1.9
Embodied Carbon, kg CO2/kg material 7.4
24
Embodied Energy, MJ/kg 140
170
Embodied Water, L/kg 1010
940

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.9
6.1
Resilience: Unit (Modulus of Resilience), kJ/m3 190
220
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 49
63
Strength to Weight: Axial, points 32
31
Strength to Weight: Bending, points 37
41
Thermal Diffusivity, mm2/s 39
59
Thermal Shock Resistance, points 15
12

Alloy Composition

Aluminum (Al), % 77.3 to 86.5
0
Copper (Cu), % 3.0 to 4.5
0 to 0.1
Iron (Fe), % 0 to 1.3
0
Magnesium (Mg), % 0 to 0.1
91.7 to 95.4
Manganese (Mn), % 0 to 0.5
0 to 0.15
Nickel (Ni), % 0 to 0.5
0 to 0.010
Silicon (Si), % 10.5 to 12
0
Tin (Sn), % 0 to 0.35
0
Unspecified Rare Earths, % 0
0.75 to 1.8
Zinc (Zn), % 0 to 3.0
3.5 to 5.0
Zirconium (Zr), % 0
0.4 to 1.0
Residuals, % 0
0 to 0.3