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EN AC-42000 Aluminum vs. EN-MC21210 Magnesium

EN AC-42000 aluminum belongs to the aluminum alloys classification, while EN-MC21210 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-42000 aluminum and the bottom bar is EN-MC21210 magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 59 to 91
48
Elastic (Young's, Tensile) Modulus, GPa 70
44
Elongation at Break, % 1.1 to 2.4
14
Fatigue Strength, MPa 67 to 76
70
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
17
Tensile Strength: Ultimate (UTS), MPa 170 to 270
190
Tensile Strength: Yield (Proof), MPa 95 to 230
90

Thermal Properties

Latent Heat of Fusion, J/g 500
350
Maximum Temperature: Mechanical, °C 170
100
Melting Completion (Liquidus), °C 610
600
Melting Onset (Solidus), °C 600
570
Specific Heat Capacity, J/kg-K 900
1000
Thermal Conductivity, W/m-K 160
120
Thermal Expansion, µm/m-K 22
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 38
24
Electrical Conductivity: Equal Weight (Specific), % IACS 130
130

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
12
Density, g/cm3 2.6
1.6
Embodied Carbon, kg CO2/kg material 8.0
24
Embodied Energy, MJ/kg 150
160
Embodied Water, L/kg 1110
980

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.8 to 5.7
22
Resilience: Unit (Modulus of Resilience), kJ/m3 64 to 370
92
Stiffness to Weight: Axial, points 15
15
Stiffness to Weight: Bending, points 53
72
Strength to Weight: Axial, points 18 to 28
32
Strength to Weight: Bending, points 26 to 35
44
Thermal Diffusivity, mm2/s 66
76
Thermal Shock Resistance, points 7.9 to 12
11

Alloy Composition

Aluminum (Al), % 89.9 to 93.3
1.6 to 2.6
Copper (Cu), % 0 to 0.2
0 to 0.010
Iron (Fe), % 0 to 0.55
0 to 0.0050
Lead (Pb), % 0 to 0.15
0
Magnesium (Mg), % 0.2 to 0.65
96.3 to 98.3
Manganese (Mn), % 0 to 0.35
0.1 to 0.7
Nickel (Ni), % 0 to 0.15
0 to 0.0020
Silicon (Si), % 6.5 to 7.5
0 to 0.1
Tin (Sn), % 0 to 0.050
0
Titanium (Ti), % 0 to 0.25
0
Zinc (Zn), % 0 to 0.15
0 to 0.2
Residuals, % 0
0 to 0.010