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EZ33A Magnesium vs. Z13004 Zinc

EZ33A magnesium belongs to the magnesium alloys classification, while Z13004 zinc belongs to the zinc alloys. There are 28 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 EZ33A magnesium and the bottom bar is Z13004 zinc.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 44
87
Elongation at Break, % 2.6
30
Poisson's Ratio 0.29
0.25
Shear Modulus, GPa 17
35
Tensile Strength: Ultimate (UTS), MPa 150
93
Tensile Strength: Yield (Proof), MPa 100
76

Thermal Properties

Latent Heat of Fusion, J/g 330
110
Maximum Temperature: Mechanical, °C 250
90
Melting Completion (Liquidus), °C 640
410
Melting Onset (Solidus), °C 570
390
Specific Heat Capacity, J/kg-K 970
390
Thermal Conductivity, W/m-K 100
110
Thermal Expansion, µm/m-K 27
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 24
27
Electrical Conductivity: Equal Weight (Specific), % IACS 110
37

Otherwise Unclassified Properties

Base Metal Price, % relative 25
11
Density, g/cm3 1.9
6.6
Embodied Carbon, kg CO2/kg material 25
2.8
Embodied Energy, MJ/kg 190
53
Embodied Water, L/kg 930
340

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 3.6
26
Resilience: Unit (Modulus of Resilience), kJ/m3 120
33
Stiffness to Weight: Axial, points 13
7.4
Stiffness to Weight: Bending, points 61
23
Strength to Weight: Axial, points 22
3.9
Strength to Weight: Bending, points 33
7.0
Thermal Diffusivity, mm2/s 54
44
Thermal Shock Resistance, points 9.2
2.9

Alloy Composition

Aluminum (Al), % 0
0 to 0.0020
Cadmium (Cd), % 0
0 to 0.0030
Copper (Cu), % 0 to 0.1
0 to 0.0030
Iron (Fe), % 0
0 to 0.0030
Lead (Pb), % 0
0 to 0.0030
Magnesium (Mg), % 91.5 to 95
0
Nickel (Ni), % 0 to 0.010
0
Tin (Sn), % 0
0 to 0.0010
Unspecified Rare Earths, % 2.5 to 4.0
0
Zinc (Zn), % 2.0 to 3.1
99.985 to 100
Zirconium (Zr), % 0.5 to 1.0
0
Residuals, % 0 to 0.3
0