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EN-MC65120 Magnesium vs. C55180 Copper

EN-MC65120 magnesium belongs to the magnesium alloys classification, while C55180 copper belongs to the copper alloys. There are 26 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-MC65120 magnesium and the bottom bar is C55180 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 45
110
Elongation at Break, % 3.1
20
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 17
41
Tensile Strength: Ultimate (UTS), MPa 160
200
Tensile Strength: Yield (Proof), MPa 110
100

Thermal Properties

Latent Heat of Fusion, J/g 330
200
Maximum Temperature: Mechanical, °C 180
200
Melting Completion (Liquidus), °C 590
920
Melting Onset (Solidus), °C 520
710
Specific Heat Capacity, J/kg-K 970
400
Thermal Conductivity, W/m-K 100
200
Thermal Expansion, µm/m-K 26
17

Otherwise Unclassified Properties

Base Metal Price, % relative 25
29
Density, g/cm3 1.9
8.6
Embodied Carbon, kg CO2/kg material 25
2.5
Embodied Energy, MJ/kg 190
39
Embodied Water, L/kg 930
290

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.4
34
Resilience: Unit (Modulus of Resilience), kJ/m3 140
48
Stiffness to Weight: Axial, points 13
7.1
Stiffness to Weight: Bending, points 62
18
Strength to Weight: Axial, points 23
6.4
Strength to Weight: Bending, points 34
8.8
Thermal Diffusivity, mm2/s 56
56
Thermal Shock Resistance, points 9.8
7.9

Alloy Composition


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Copper (Cu), % 0 to 0.030
94.7 to 95.2
Iron (Fe), % 0 to 0.010
0
Magnesium (Mg), % 91.8 to 95.1
0
Manganese (Mn), % 0 to 0.15
0
Nickel (Ni), % 0 to 0.0050
0
Phosphorus (P), % 0
4.8 to 5.2
Silicon (Si), % 0 to 0.010
0
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
Residuals, % 0 to 0.010
0 to 0.15