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ZC63A Magnesium vs. Commercially Pure Zinc

ZC63A magnesium belongs to the magnesium alloys classification, while commercially pure zinc belongs to the zinc alloys. There are 28 material properties with values for both materials. Properties with values for just one material (4, 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 ZC63A magnesium and the bottom bar is commercially pure zinc.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 48
87
Elongation at Break, % 3.3
38
Poisson's Ratio 0.29
0.25
Shear Modulus, GPa 19
35
Tensile Strength: Ultimate (UTS), MPa 220
97
Tensile Strength: Yield (Proof), MPa 130
79

Thermal Properties

Latent Heat of Fusion, J/g 330
110
Maximum Temperature: Mechanical, °C 98
90
Melting Completion (Liquidus), °C 550
410
Melting Onset (Solidus), °C 470
400
Specific Heat Capacity, J/kg-K 950
390
Thermal Conductivity, W/m-K 120
110
Thermal Expansion, µm/m-K 26
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 32
27
Electrical Conductivity: Equal Weight (Specific), % IACS 140
37

Otherwise Unclassified Properties

Base Metal Price, % relative 13
11
Density, g/cm3 2.1
6.6
Embodied Carbon, kg CO2/kg material 22
2.8
Embodied Energy, MJ/kg 150
53
Embodied Water, L/kg 920
340

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.3
34
Resilience: Unit (Modulus of Resilience), kJ/m3 190
36
Stiffness to Weight: Axial, points 13
7.4
Stiffness to Weight: Bending, points 58
23
Strength to Weight: Axial, points 29
4.1
Strength to Weight: Bending, points 38
7.1
Thermal Diffusivity, mm2/s 58
44
Thermal Shock Resistance, points 12
3.0

Alloy Composition


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Aluminum (Al), % 0
0 to 0.010
Cadmium (Cd), % 0
0 to 0.010
Copper (Cu), % 2.4 to 3.0
0 to 0.080
Iron (Fe), % 0
0 to 0.020
Lead (Pb), % 0
0 to 0.030
Magnesium (Mg), % 89.2 to 91.9
0
Manganese (Mn), % 0.25 to 0.75
0
Nickel (Ni), % 0 to 0.010
0
Silicon (Si), % 0 to 0.2
0
Tin (Sn), % 0
0 to 0.0030
Titanium (Ti), % 0
0 to 0.020
Zinc (Zn), % 5.5 to 6.5
99.827 to 100
Residuals, % 0 to 0.3
0