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EN AC-71100 Aluminum vs. ZE41A Magnesium

EN AC-71100 aluminum belongs to the aluminum alloys classification, while ZE41A magnesium belongs to the magnesium alloys. There are 28 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is EN AC-71100 aluminum and the bottom bar is ZE41A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 110
63
Elastic (Young's, Tensile) Modulus, GPa 72
45
Elongation at Break, % 1.1
3.3
Fatigue Strength, MPa 150
98
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 27
18
Tensile Strength: Ultimate (UTS), MPa 260
210
Tensile Strength: Yield (Proof), MPa 230
140

Thermal Properties

Latent Heat of Fusion, J/g 490
330
Maximum Temperature: Mechanical, °C 170
150
Melting Completion (Liquidus), °C 580
640
Melting Onset (Solidus), °C 520
540
Specific Heat Capacity, J/kg-K 860
970
Thermal Expansion, µm/m-K 22
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 32
27
Electrical Conductivity: Equal Weight (Specific), % IACS 97
130

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
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 2.8
6.1
Resilience: Unit (Modulus of Resilience), kJ/m3 360
220
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 47
63
Strength to Weight: Axial, points 25
31
Strength to Weight: Bending, points 31
41
Thermal Shock Resistance, points 12
12

Alloy Composition

Aluminum (Al), % 78.7 to 83.3
0
Copper (Cu), % 0 to 0.1
0 to 0.1
Iron (Fe), % 0 to 0.3
0
Magnesium (Mg), % 0.2 to 0.5
91.7 to 95.4
Manganese (Mn), % 0 to 0.15
0 to 0.15
Nickel (Ni), % 0
0 to 0.010
Silicon (Si), % 7.5 to 9.5
0
Titanium (Ti), % 0 to 0.15
0
Unspecified Rare Earths, % 0
0.75 to 1.8
Zinc (Zn), % 9.0 to 10.5
3.5 to 5.0
Zirconium (Zr), % 0
0.4 to 1.0
Residuals, % 0
0 to 0.3