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6101A Aluminum vs. ZE41A Magnesium

6101A aluminum belongs to the aluminum alloys classification, while ZE41A magnesium belongs to the magnesium alloys. There are 30 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is 6101A aluminum and the bottom bar is ZE41A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
45
Elongation at Break, % 11
3.3
Fatigue Strength, MPa 80
98
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
18
Shear Strength, MPa 130
150
Tensile Strength: Ultimate (UTS), MPa 220
210
Tensile Strength: Yield (Proof), MPa 190
140

Thermal Properties

Latent Heat of Fusion, J/g 400
330
Maximum Temperature: Mechanical, °C 160
150
Melting Completion (Liquidus), °C 640
640
Melting Onset (Solidus), °C 630
540
Specific Heat Capacity, J/kg-K 900
970
Thermal Conductivity, W/m-K 200
110
Thermal Expansion, µm/m-K 23
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 55
27
Electrical Conductivity: Equal Weight (Specific), % IACS 180
130

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
18
Density, g/cm3 2.7
1.9
Embodied Carbon, kg CO2/kg material 8.3
24
Embodied Energy, MJ/kg 150
170
Embodied Water, L/kg 1190
940

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 24
6.1
Resilience: Unit (Modulus of Resilience), kJ/m3 280
220
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 51
63
Strength to Weight: Axial, points 23
31
Strength to Weight: Bending, points 30
41
Thermal Diffusivity, mm2/s 84
59
Thermal Shock Resistance, points 10
12

Alloy Composition

Aluminum (Al), % 97.9 to 99.3
0
Copper (Cu), % 0 to 0.050
0 to 0.1
Iron (Fe), % 0 to 0.4
0
Magnesium (Mg), % 0.4 to 0.9
91.7 to 95.4
Manganese (Mn), % 0
0 to 0.15
Nickel (Ni), % 0
0 to 0.010
Silicon (Si), % 0.3 to 0.7
0
Unspecified Rare Earths, % 0
0.75 to 1.8
Zinc (Zn), % 0
3.5 to 5.0
Zirconium (Zr), % 0
0.4 to 1.0
Residuals, % 0
0 to 0.3