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EN-MC21210 Magnesium vs. Z40301 Zinc

EN-MC21210 magnesium belongs to the magnesium alloys classification, while Z40301 zinc belongs to the zinc alloys. There are 28 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown. Please note that the two materials have significantly dissimilar densities. This means that additional care is required when interpreting the data, because some material properties are based on units of mass, while others are based on units of area or volume.

For each property being compared, the top bar is EN-MC21210 magnesium and the bottom bar is Z40301 zinc.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 44
87
Elongation at Break, % 14
60
Poisson's Ratio 0.29
0.25
Shear Modulus, GPa 17
35
Tensile Strength: Ultimate (UTS), MPa 190
190
Tensile Strength: Yield (Proof), MPa 90
150

Thermal Properties

Latent Heat of Fusion, J/g 350
110
Maximum Temperature: Mechanical, °C 100
90
Melting Completion (Liquidus), °C 600
410
Melting Onset (Solidus), °C 570
400
Specific Heat Capacity, J/kg-K 1000
390
Thermal Conductivity, W/m-K 120
110
Thermal Expansion, µm/m-K 27
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 24
27
Electrical Conductivity: Equal Weight (Specific), % IACS 130
37

Otherwise Unclassified Properties

Base Metal Price, % relative 12
12
Density, g/cm3 1.6
6.6
Embodied Carbon, kg CO2/kg material 24
2.8
Embodied Energy, MJ/kg 160
53
Embodied Water, L/kg 980
340

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 22
100
Resilience: Unit (Modulus of Resilience), kJ/m3 92
130
Stiffness to Weight: Axial, points 15
7.4
Stiffness to Weight: Bending, points 72
23
Strength to Weight: Axial, points 32
7.9
Strength to Weight: Bending, points 44
11
Thermal Diffusivity, mm2/s 76
44
Thermal Shock Resistance, points 11
5.9

Alloy Composition


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Aluminum (Al), % 1.6 to 2.6
0 to 0.010
Cadmium (Cd), % 0
0 to 0.0050
Copper (Cu), % 0 to 0.010
0.5 to 1.0
Iron (Fe), % 0 to 0.0050
0 to 0.010
Lead (Pb), % 0
0 to 0.010
Magnesium (Mg), % 96.3 to 98.3
0
Manganese (Mn), % 0.1 to 0.7
0
Nickel (Ni), % 0 to 0.0020
0
Silicon (Si), % 0 to 0.1
0
Tin (Sn), % 0
0 to 0.0030
Titanium (Ti), % 0
0 to 0.040
Zinc (Zn), % 0 to 0.2
98.9 to 99.5
Residuals, % 0 to 0.010
0