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2095 Aluminum vs. EN-MC65120 Magnesium

2095 aluminum belongs to the aluminum alloys classification, while EN-MC65120 magnesium belongs to the magnesium alloys. There are 30 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is 2095 aluminum and the bottom bar is EN-MC65120 magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
45
Elongation at Break, % 8.5
3.1
Fatigue Strength, MPa 200
80
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
17
Shear Strength, MPa 410
92
Tensile Strength: Ultimate (UTS), MPa 700
160
Tensile Strength: Yield (Proof), MPa 610
110

Thermal Properties

Latent Heat of Fusion, J/g 390
330
Maximum Temperature: Mechanical, °C 210
180
Melting Completion (Liquidus), °C 660
590
Melting Onset (Solidus), °C 540
520
Specific Heat Capacity, J/kg-K 910
970
Thermal Conductivity, W/m-K 130
100
Thermal Expansion, µm/m-K 23
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 35
25
Electrical Conductivity: Equal Weight (Specific), % IACS 110
120

Otherwise Unclassified Properties

Base Metal Price, % relative 31
25
Density, g/cm3 3.0
1.9
Embodied Carbon, kg CO2/kg material 8.6
25
Embodied Energy, MJ/kg 160
190
Embodied Water, L/kg 1470
930

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 57
4.4
Resilience: Unit (Modulus of Resilience), kJ/m3 2640
140
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 46
62
Strength to Weight: Axial, points 65
23
Strength to Weight: Bending, points 59
34
Thermal Diffusivity, mm2/s 49
56
Thermal Shock Resistance, points 31
9.8

Alloy Composition

Aluminum (Al), % 91.3 to 94.9
0
Copper (Cu), % 3.9 to 4.6
0 to 0.030
Iron (Fe), % 0 to 0.15
0 to 0.010
Lithium (Li), % 0.7 to 1.5
0
Magnesium (Mg), % 0.25 to 0.8
91.8 to 95.1
Manganese (Mn), % 0 to 0.25
0 to 0.15
Nickel (Ni), % 0
0 to 0.0050
Silicon (Si), % 0 to 0.12
0 to 0.010
Silver (Ag), % 0.25 to 0.6
0
Titanium (Ti), % 0 to 0.1
0
Unspecified Rare Earths, % 0
2.5 to 4.0
Zinc (Zn), % 0 to 0.25
2.0 to 3.0
Zirconium (Zr), % 0.040 to 0.18
0.4 to 1.0
Residuals, % 0
0 to 0.010