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K1A Magnesium vs. Z40101 Zinc

K1A magnesium belongs to the magnesium alloys classification, while Z40101 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 K1A magnesium and the bottom bar is Z40101 zinc.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 43
87
Elongation at Break, % 13
44
Poisson's Ratio 0.29
0.25
Shear Modulus, GPa 17
35
Tensile Strength: Ultimate (UTS), MPa 180
130
Tensile Strength: Yield (Proof), MPa 51
110

Thermal Properties

Latent Heat of Fusion, J/g 350
110
Maximum Temperature: Mechanical, °C 120
90
Melting Completion (Liquidus), °C 650
410
Melting Onset (Solidus), °C 650
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 30
27
Electrical Conductivity: Equal Weight (Specific), % IACS 170
37

Otherwise Unclassified Properties

Base Metal Price, % relative 13
11
Density, g/cm3 1.6
6.6
Embodied Carbon, kg CO2/kg material 24
2.8
Embodied Energy, MJ/kg 170
53
Embodied Water, L/kg 970
340

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 17
56
Resilience: Unit (Modulus of Resilience), kJ/m3 30
69
Stiffness to Weight: Axial, points 15
7.4
Stiffness to Weight: Bending, points 73
23
Strength to Weight: Axial, points 31
5.7
Strength to Weight: Bending, points 43
8.9
Thermal Diffusivity, mm2/s 75
44
Thermal Shock Resistance, points 11
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
0.080 to 0.4
Iron (Fe), % 0
0 to 0.010
Lead (Pb), % 0
0 to 0.010
Magnesium (Mg), % 98.7 to 99.6
0
Tin (Sn), % 0
0 to 0.0030
Titanium (Ti), % 0
0 to 0.020
Zinc (Zn), % 0
99.542 to 99.92
Zirconium (Zr), % 0.4 to 1.0
0
Residuals, % 0 to 0.3
0