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2195 Aluminum vs. ZK40A Magnesium

2195 aluminum belongs to the aluminum alloys classification, while ZK40A 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 2195 aluminum and the bottom bar is ZK40A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
45
Elongation at Break, % 9.3
4.2
Fatigue Strength, MPa 190
190
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
17
Shear Strength, MPa 350
160
Tensile Strength: Ultimate (UTS), MPa 590
280
Tensile Strength: Yield (Proof), MPa 560
260

Thermal Properties

Latent Heat of Fusion, J/g 390
340
Maximum Temperature: Mechanical, °C 210
120
Melting Completion (Liquidus), °C 660
600
Melting Onset (Solidus), °C 550
540
Specific Heat Capacity, J/kg-K 900
970
Thermal Conductivity, W/m-K 130
110
Thermal Expansion, µm/m-K 23
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 34
27
Electrical Conductivity: Equal Weight (Specific), % IACS 100
130

Otherwise Unclassified Properties

Base Metal Price, % relative 31
13
Density, g/cm3 3.0
1.8
Embodied Carbon, kg CO2/kg material 8.6
24
Embodied Energy, MJ/kg 160
160
Embodied Water, L/kg 1470
950

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 54
12
Resilience: Unit (Modulus of Resilience), kJ/m3 2290
740
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 46
65
Strength to Weight: Axial, points 55
43
Strength to Weight: Bending, points 53
53
Thermal Diffusivity, mm2/s 49
62
Thermal Shock Resistance, points 26
17

Alloy Composition

Aluminum (Al), % 91.9 to 94.9
0
Copper (Cu), % 3.7 to 4.3
0
Iron (Fe), % 0 to 0.15
0
Lithium (Li), % 0.8 to 1.2
0
Magnesium (Mg), % 0.25 to 0.8
94.2 to 96.1
Manganese (Mn), % 0 to 0.25
0
Silicon (Si), % 0 to 0.12
0
Silver (Ag), % 0.25 to 0.6
0
Titanium (Ti), % 0 to 0.1
0
Zinc (Zn), % 0 to 0.25
3.5 to 4.5
Zirconium (Zr), % 0.080 to 0.16
0.45 to 1.0
Residuals, % 0 to 0.15
0 to 0.3