MakeItFrom.com
Menu (ESC)

EN AC-45000 Aluminum vs. EN-MC21220 Magnesium

EN AC-45000 aluminum belongs to the aluminum alloys classification, while EN-MC21220 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-45000 aluminum and the bottom bar is EN-MC21220 magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 77
58
Elastic (Young's, Tensile) Modulus, GPa 73
45
Elongation at Break, % 1.1
11
Fatigue Strength, MPa 75
89
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 27
17
Tensile Strength: Ultimate (UTS), MPa 180
210
Tensile Strength: Yield (Proof), MPa 110
120

Thermal Properties

Latent Heat of Fusion, J/g 470
350
Maximum Temperature: Mechanical, °C 180
120
Melting Completion (Liquidus), °C 640
600
Melting Onset (Solidus), °C 520
540
Specific Heat Capacity, J/kg-K 870
1000
Thermal Conductivity, W/m-K 120
65
Thermal Expansion, µm/m-K 22
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
16
Electrical Conductivity: Equal Weight (Specific), % IACS 81
87

Otherwise Unclassified Properties

Base Metal Price, % relative 11
12
Density, g/cm3 3.0
1.7
Embodied Carbon, kg CO2/kg material 7.7
23
Embodied Energy, MJ/kg 140
160
Embodied Water, L/kg 1070
990

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 1.7
20
Resilience: Unit (Modulus of Resilience), kJ/m3 80
160
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 47
71
Strength to Weight: Axial, points 17
34
Strength to Weight: Bending, points 24
46
Thermal Diffusivity, mm2/s 47
39
Thermal Shock Resistance, points 8.0
12

Alloy Composition

Aluminum (Al), % 82.2 to 91.8
4.4 to 5.5
Chromium (Cr), % 0 to 0.15
0
Copper (Cu), % 3.0 to 5.0
0 to 0.010
Iron (Fe), % 0 to 1.0
0 to 0.0050
Lead (Pb), % 0 to 0.3
0
Magnesium (Mg), % 0 to 0.55
93.5 to 95.5
Manganese (Mn), % 0.2 to 0.65
0.1 to 0.6
Nickel (Ni), % 0 to 0.45
0 to 0.0020
Silicon (Si), % 5.0 to 7.0
0 to 0.1
Tin (Sn), % 0 to 0.15
0
Titanium (Ti), % 0 to 0.25
0
Zinc (Zn), % 0 to 2.0
0 to 0.3
Residuals, % 0
0 to 0.010