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EN-MC65220 Magnesium vs. C82200 Copper

EN-MC65220 magnesium belongs to the magnesium alloys classification, while C82200 copper belongs to the copper alloys. There are 27 material properties with values for both materials. Properties with values for just one material (5, 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 C82200 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 44
120
Elongation at Break, % 2.2
8.0 to 20
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 17
44
Tensile Strength: Ultimate (UTS), MPa 270
390 to 660
Tensile Strength: Yield (Proof), MPa 200
210 to 520

Thermal Properties

Latent Heat of Fusion, J/g 340
220
Maximum Temperature: Mechanical, °C 160
230
Melting Completion (Liquidus), °C 610
1080
Melting Onset (Solidus), °C 550
1040
Specific Heat Capacity, J/kg-K 980
390
Thermal Conductivity, W/m-K 110
180
Thermal Expansion, µm/m-K 26
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
45
Electrical Conductivity: Equal Weight (Specific), % IACS 120
46

Otherwise Unclassified Properties

Base Metal Price, % relative 80
55
Density, g/cm3 1.9
8.9
Embodied Carbon, kg CO2/kg material 27
4.8
Embodied Energy, MJ/kg 210
74

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 5.5
49 to 66
Resilience: Unit (Modulus of Resilience), kJ/m3 450
180 to 1130
Stiffness to Weight: Axial, points 13
7.4
Stiffness to Weight: Bending, points 62
18
Strength to Weight: Axial, points 40
12 to 20
Strength to Weight: Bending, points 49
13 to 19
Thermal Diffusivity, mm2/s 61
53
Thermal Shock Resistance, points 17
14 to 23

Alloy Composition

Beryllium (Be), % 0
0.35 to 0.8
Cobalt (Co), % 0
0 to 0.3
Copper (Cu), % 0.050 to 0.1
97.4 to 98.7
Iron (Fe), % 0 to 0.010
0
Magnesium (Mg), % 93.8 to 96.8
0
Manganese (Mn), % 0 to 0.15
0
Nickel (Ni), % 0 to 0.0050
1.0 to 2.0
Silicon (Si), % 0 to 0.010
0
Silver (Ag), % 1.3 to 1.7
0
Unspecified Rare Earths, % 1.5 to 3.0
0
Zinc (Zn), % 0 to 0.2
0
Zirconium (Zr), % 0.4 to 1.0
0
Residuals, % 0 to 0.010
0 to 0.5