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EN-MC65120 Magnesium vs. C18600 Copper

EN-MC65120 magnesium belongs to the magnesium alloys classification, while C18600 copper belongs to the copper alloys. There are 29 material properties with values for both materials. Properties with values for just one material (2, 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-MC65120 magnesium and the bottom bar is C18600 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 45
120
Elongation at Break, % 3.1
8.0 to 11
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 17
44
Shear Strength, MPa 92
310 to 340
Tensile Strength: Ultimate (UTS), MPa 160
520 to 580
Tensile Strength: Yield (Proof), MPa 110
500 to 520

Thermal Properties

Latent Heat of Fusion, J/g 330
210
Maximum Temperature: Mechanical, °C 180
200
Melting Completion (Liquidus), °C 590
1090
Melting Onset (Solidus), °C 520
1070
Specific Heat Capacity, J/kg-K 970
390
Thermal Conductivity, W/m-K 100
280
Thermal Expansion, µm/m-K 26
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
70
Electrical Conductivity: Equal Weight (Specific), % IACS 120
71

Otherwise Unclassified Properties

Base Metal Price, % relative 25
31
Density, g/cm3 1.9
8.9
Embodied Carbon, kg CO2/kg material 25
2.9
Embodied Energy, MJ/kg 190
46
Embodied Water, L/kg 930
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.4
44 to 58
Resilience: Unit (Modulus of Resilience), kJ/m3 140
1060 to 1180
Stiffness to Weight: Axial, points 13
7.3
Stiffness to Weight: Bending, points 62
18
Strength to Weight: Axial, points 23
16 to 18
Strength to Weight: Bending, points 34
16 to 17
Thermal Diffusivity, mm2/s 56
81
Thermal Shock Resistance, points 9.8
19 to 20

Alloy Composition


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Chromium (Cr), % 0
0.1 to 1.0
Cobalt (Co), % 0
0 to 0.1
Copper (Cu), % 0 to 0.030
96.5 to 99.55
Iron (Fe), % 0 to 0.010
0.25 to 0.8
Magnesium (Mg), % 91.8 to 95.1
0
Manganese (Mn), % 0 to 0.15
0
Nickel (Ni), % 0 to 0.0050
0 to 0.25
Silicon (Si), % 0 to 0.010
0
Titanium (Ti), % 0
0.050 to 0.5
Unspecified Rare Earths, % 2.5 to 4.0
0
Zinc (Zn), % 2.0 to 3.0
0
Zirconium (Zr), % 0.4 to 1.0
0.050 to 0.4
Residuals, % 0 to 0.010
0 to 0.5