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EN-MC65210 Magnesium vs. Z40101 Zinc

EN-MC65210 magnesium belongs to the magnesium alloys classification, while Z40101 zinc belongs to the zinc alloys. There are 26 material properties with values for both materials. Properties with values for just one material (5, 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-MC65210 magnesium and the bottom bar is Z40101 zinc.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 44
87
Elongation at Break, % 2.8
44
Poisson's Ratio 0.29
0.25
Shear Modulus, GPa 17
35
Tensile Strength: Ultimate (UTS), MPa 270
130
Tensile Strength: Yield (Proof), MPa 200
110

Thermal Properties

Latent Heat of Fusion, J/g 340
110
Maximum Temperature: Mechanical, °C 170
90
Melting Completion (Liquidus), °C 610
410
Melting Onset (Solidus), °C 540
400
Specific Heat Capacity, J/kg-K 970
390
Thermal Conductivity, W/m-K 110
110
Thermal Expansion, µm/m-K 26
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
27
Electrical Conductivity: Equal Weight (Specific), % IACS 110
37

Otherwise Unclassified Properties

Density, g/cm3 2.0
6.6
Embodied Carbon, kg CO2/kg material 27
2.8
Embodied Energy, MJ/kg 220
53

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.9
56
Resilience: Unit (Modulus of Resilience), kJ/m3 450
69
Stiffness to Weight: Axial, points 12
7.4
Stiffness to Weight: Bending, points 59
23
Strength to Weight: Axial, points 38
5.7
Strength to Weight: Bending, points 47
8.9
Thermal Diffusivity, mm2/s 58
44
Thermal Shock Resistance, points 17
4.2

Alloy Composition


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Aluminum (Al), % 0
0 to 0.010
Cadmium (Cd), % 0
0 to 0.0050
Copper (Cu), % 0 to 0.030
0.080 to 0.4
Iron (Fe), % 0 to 0.010
0 to 0.010
Lead (Pb), % 0
0 to 0.010
Magnesium (Mg), % 92.6 to 95.6
0
Manganese (Mn), % 0 to 0.15
0
Nickel (Ni), % 0 to 0.0050
0
Silicon (Si), % 0 to 0.010
0
Silver (Ag), % 2.0 to 3.0
0
Tin (Sn), % 0
0 to 0.0030
Titanium (Ti), % 0
0 to 0.020
Unspecified Rare Earths, % 2.0 to 3.0
0
Zinc (Zn), % 0 to 0.2
99.542 to 99.92
Zirconium (Zr), % 0.4 to 1.0
0
Residuals, % 0 to 0.010
0