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EN AC-42100 Aluminum vs. EN-MC35110 Magnesium

EN AC-42100 aluminum belongs to the aluminum alloys classification, while EN-MC35110 magnesium belongs to the magnesium alloys. There are 30 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is EN AC-42100 aluminum and the bottom bar is EN-MC35110 magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 91
63
Elastic (Young's, Tensile) Modulus, GPa 70
45
Elongation at Break, % 3.4 to 9.0
3.1
Fatigue Strength, MPa 76 to 82
110
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
18
Tensile Strength: Ultimate (UTS), MPa 280 to 290
230
Tensile Strength: Yield (Proof), MPa 210 to 230
150

Thermal Properties

Latent Heat of Fusion, J/g 500
330
Maximum Temperature: Mechanical, °C 170
140
Melting Completion (Liquidus), °C 610
600
Melting Onset (Solidus), °C 600
520
Specific Heat Capacity, J/kg-K 910
970
Thermal Conductivity, W/m-K 150
110
Thermal Expansion, µm/m-K 22
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 41
27
Electrical Conductivity: Equal Weight (Specific), % IACS 140
130

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
18
Density, g/cm3 2.6
1.9
Embodied Carbon, kg CO2/kg material 8.0
24
Embodied Energy, MJ/kg 150
170
Embodied Water, L/kg 1110
940

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
260
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 53
63
Strength to Weight: Axial, points 30 to 31
34
Strength to Weight: Bending, points 37 to 38
44
Thermal Diffusivity, mm2/s 66
61
Thermal Shock Resistance, points 13
14

Alloy Composition

Aluminum (Al), % 91.3 to 93.3
0
Copper (Cu), % 0 to 0.050
0 to 0.030
Iron (Fe), % 0 to 0.19
0 to 0.010
Magnesium (Mg), % 0.25 to 0.45
92 to 95.4
Manganese (Mn), % 0 to 0.1
0 to 0.15
Nickel (Ni), % 0
0 to 0.0050
Silicon (Si), % 6.5 to 7.5
0 to 0.010
Titanium (Ti), % 0 to 0.25
0
Unspecified Rare Earths, % 0
0.75 to 1.8
Zinc (Zn), % 0 to 0.070
3.5 to 5.0
Zirconium (Zr), % 0
0.4 to 1.0
Residuals, % 0
0 to 0.010