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2219 Aluminum vs. ZK60A Magnesium

2219 aluminum belongs to the aluminum alloys classification, while ZK60A magnesium belongs to the magnesium alloys.

For each property being compared, the top bar is 2219 aluminum and the bottom bar is ZK60A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 72
46
Elongation at Break, % 2.2 to 20
4.5 to 9.9
Fatigue Strength, MPa 90 to 130
150 to 180
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 27
18
Shear Strength, MPa 110 to 280
170 to 190
Tensile Strength: Ultimate (UTS), MPa 180 to 480
320 to 330
Tensile Strength: Yield (Proof), MPa 88 to 390
230 to 250

Thermal Properties

Latent Heat of Fusion, J/g 390
330
Maximum Temperature: Mechanical, °C 230
120
Melting Completion (Liquidus), °C 640
600
Melting Onset (Solidus), °C 540
550
Specific Heat Capacity, J/kg-K 870
960
Thermal Conductivity, W/m-K 110 to 170
120
Thermal Expansion, µm/m-K 22
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 28 to 44
29 to 30
Electrical Conductivity: Equal Weight (Specific), % IACS 81 to 130
140

Otherwise Unclassified Properties

Base Metal Price, % relative 11
13
Density, g/cm3 3.1
1.9
Embodied Carbon, kg CO2/kg material 8.2
23
Embodied Energy, MJ/kg 150
160
Embodied Water, L/kg 1130
940

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 9.6 to 60
14 to 29
Resilience: Unit (Modulus of Resilience), kJ/m3 54 to 1060
570 to 690
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 44
63
Strength to Weight: Axial, points 16 to 43
47 to 49
Strength to Weight: Bending, points 23 to 44
55 to 56
Thermal Diffusivity, mm2/s 42 to 63
66
Thermal Shock Resistance, points 8.2 to 22
19 to 20

Alloy Composition

Aluminum (Al), % 91.5 to 93.8
0
Copper (Cu), % 5.8 to 6.8
0
Iron (Fe), % 0 to 0.3
0
Magnesium (Mg), % 0 to 0.020
92.5 to 94.8
Manganese (Mn), % 0.2 to 0.4
0
Silicon (Si), % 0 to 0.2
0
Titanium (Ti), % 0.020 to 0.1
0
Vanadium (V), % 0.050 to 0.15
0
Zinc (Zn), % 0 to 0.1
4.8 to 6.2
Zirconium (Zr), % 0.1 to 0.25
0.45 to 1.0
Residuals, % 0
0 to 0.3

Comparable Variants