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EN-MC65220 Magnesium vs. Zamak 3

EN-MC65220 magnesium belongs to the magnesium alloys classification, while Zamak 3 belongs to the zinc alloys. There are 30 material properties with values for both materials. Properties with values for just one material (6, 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-MC65220 magnesium and the bottom bar is Zamak 3.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 80
83
Elastic (Young's, Tensile) Modulus, GPa 44
86
Elongation at Break, % 2.2
11
Fatigue Strength, MPa 110
48
Poisson's Ratio 0.29
0.25
Shear Modulus, GPa 17
33
Shear Strength, MPa 150
210
Tensile Strength: Ultimate (UTS), MPa 270
280
Tensile Strength: Yield (Proof), MPa 200
210

Thermal Properties

Latent Heat of Fusion, J/g 340
120
Maximum Temperature: Mechanical, °C 160
95
Melting Completion (Liquidus), °C 610
390
Melting Onset (Solidus), °C 550
380
Specific Heat Capacity, J/kg-K 980
410
Thermal Conductivity, W/m-K 110
110
Thermal Expansion, µm/m-K 26
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
27
Electrical Conductivity: Equal Weight (Specific), % IACS 120
38

Otherwise Unclassified Properties

Base Metal Price, % relative 80
11
Density, g/cm3 1.9
6.4
Embodied Carbon, kg CO2/kg material 27
3.0
Embodied Energy, MJ/kg 210
57

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 5.5
28
Resilience: Unit (Modulus of Resilience), kJ/m3 450
260
Stiffness to Weight: Axial, points 13
7.5
Stiffness to Weight: Bending, points 62
23
Strength to Weight: Axial, points 40
12
Strength to Weight: Bending, points 49
15
Thermal Diffusivity, mm2/s 61
43
Thermal Shock Resistance, points 17
8.6

Alloy Composition


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Aluminum (Al), % 0
3.5 to 4.3
Cadmium (Cd), % 0
0 to 0.0050
Copper (Cu), % 0.050 to 0.1
0 to 0.25
Iron (Fe), % 0 to 0.010
0 to 0.1
Lead (Pb), % 0
0 to 0.0050
Magnesium (Mg), % 93.8 to 96.8
0.020 to 0.060
Manganese (Mn), % 0 to 0.15
0
Nickel (Ni), % 0 to 0.0050
0 to 0.020
Silicon (Si), % 0 to 0.010
0 to 0.030
Silver (Ag), % 1.3 to 1.7
0
Tin (Sn), % 0
0 to 0.0030
Unspecified Rare Earths, % 1.5 to 3.0
0
Zinc (Zn), % 0 to 0.2
95.3 to 96.5
Zirconium (Zr), % 0.4 to 1.0
0
Residuals, % 0 to 0.010
0