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EN-MC65120 Magnesium vs. 319.0 Aluminum

EN-MC65120 magnesium belongs to the magnesium alloys classification, while 319.0 aluminum belongs to the aluminum alloys. There are 31 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-MC65120 magnesium and the bottom bar is 319.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 55
78 to 84
Elastic (Young's, Tensile) Modulus, GPa 45
72
Elongation at Break, % 3.1
1.8 to 2.0
Fatigue Strength, MPa 80
76 to 80
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 17
27
Shear Strength, MPa 92
170 to 210
Tensile Strength: Ultimate (UTS), MPa 160
190 to 240
Tensile Strength: Yield (Proof), MPa 110
110 to 180

Thermal Properties

Latent Heat of Fusion, J/g 330
480
Maximum Temperature: Mechanical, °C 180
170
Melting Completion (Liquidus), °C 590
600
Melting Onset (Solidus), °C 520
540
Specific Heat Capacity, J/kg-K 970
880
Thermal Conductivity, W/m-K 100
110
Thermal Expansion, µm/m-K 26
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
27
Electrical Conductivity: Equal Weight (Specific), % IACS 120
84

Otherwise Unclassified Properties

Base Metal Price, % relative 25
10
Density, g/cm3 1.9
2.9
Embodied Carbon, kg CO2/kg material 25
7.7
Embodied Energy, MJ/kg 190
140
Embodied Water, L/kg 930
1080

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.4
3.3 to 3.9
Resilience: Unit (Modulus of Resilience), kJ/m3 140
88 to 220
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 62
48
Strength to Weight: Axial, points 23
18 to 24
Strength to Weight: Bending, points 34
25 to 30
Thermal Diffusivity, mm2/s 56
44
Thermal Shock Resistance, points 9.8
8.6 to 11

Alloy Composition

Aluminum (Al), % 0
85.8 to 91.5
Copper (Cu), % 0 to 0.030
3.0 to 4.0
Iron (Fe), % 0 to 0.010
0 to 1.0
Magnesium (Mg), % 91.8 to 95.1
0 to 0.1
Manganese (Mn), % 0 to 0.15
0 to 0.5
Nickel (Ni), % 0 to 0.0050
0 to 0.35
Silicon (Si), % 0 to 0.010
5.5 to 6.5
Titanium (Ti), % 0
0 to 0.25
Unspecified Rare Earths, % 2.5 to 4.0
0
Zinc (Zn), % 2.0 to 3.0
0 to 1.0
Zirconium (Zr), % 0.4 to 1.0
0
Residuals, % 0 to 0.010
0 to 0.5