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2195 Aluminum vs. ISO-WD21150 Magnesium

2195 aluminum belongs to the aluminum alloys classification, while ISO-WD21150 magnesium belongs to the magnesium alloys. There are 29 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 2195 aluminum and the bottom bar is ISO-WD21150 magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
45
Elongation at Break, % 9.3
5.7 to 11
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
17
Shear Strength, MPa 350
150 to 170
Tensile Strength: Ultimate (UTS), MPa 590
240 to 290
Tensile Strength: Yield (Proof), MPa 560
120 to 200

Thermal Properties

Latent Heat of Fusion, J/g 390
350
Maximum Temperature: Mechanical, °C 210
110
Melting Completion (Liquidus), °C 660
600
Melting Onset (Solidus), °C 550
550
Specific Heat Capacity, J/kg-K 900
990
Thermal Conductivity, W/m-K 130
100
Thermal Expansion, µm/m-K 23
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 34
19
Electrical Conductivity: Equal Weight (Specific), % IACS 100
100

Otherwise Unclassified Properties

Base Metal Price, % relative 31
12
Density, g/cm3 3.0
1.7
Embodied Carbon, kg CO2/kg material 8.6
23
Embodied Energy, MJ/kg 160
160
Embodied Water, L/kg 1470
980

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 54
15 to 24
Resilience: Unit (Modulus of Resilience), kJ/m3 2290
160 to 460
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 46
70
Strength to Weight: Axial, points 55
40 to 48
Strength to Weight: Bending, points 53
52 to 58
Thermal Diffusivity, mm2/s 49
60
Thermal Shock Resistance, points 26
15 to 17

Alloy Composition

Aluminum (Al), % 91.9 to 94.9
2.4 to 3.6
Copper (Cu), % 3.7 to 4.3
0 to 0.050
Iron (Fe), % 0 to 0.15
0 to 0.0050
Lithium (Li), % 0.8 to 1.2
0
Magnesium (Mg), % 0.25 to 0.8
94 to 97
Manganese (Mn), % 0 to 0.25
0.15 to 0.4
Nickel (Ni), % 0
0 to 0.0050
Silicon (Si), % 0 to 0.12
0 to 0.1
Silver (Ag), % 0.25 to 0.6
0
Titanium (Ti), % 0 to 0.1
0
Zinc (Zn), % 0 to 0.25
0.5 to 1.5
Zirconium (Zr), % 0.080 to 0.16
0
Residuals, % 0
0 to 0.3