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EN-MC21210 Magnesium vs. C82200 Copper

EN-MC21210 magnesium belongs to the magnesium alloys classification, while C82200 copper belongs to the copper alloys. There are 28 material properties with values for both materials. Properties with values for just one material (4, 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-MC21210 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, % 14
8.0 to 20
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 17
44
Tensile Strength: Ultimate (UTS), MPa 190
390 to 660
Tensile Strength: Yield (Proof), MPa 90
210 to 520

Thermal Properties

Latent Heat of Fusion, J/g 350
220
Maximum Temperature: Mechanical, °C 100
230
Melting Completion (Liquidus), °C 600
1080
Melting Onset (Solidus), °C 570
1040
Specific Heat Capacity, J/kg-K 1000
390
Thermal Conductivity, W/m-K 120
180
Thermal Expansion, µm/m-K 27
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 24
45
Electrical Conductivity: Equal Weight (Specific), % IACS 130
46

Otherwise Unclassified Properties

Base Metal Price, % relative 12
55
Density, g/cm3 1.6
8.9
Embodied Carbon, kg CO2/kg material 24
4.8
Embodied Energy, MJ/kg 160
74
Embodied Water, L/kg 980
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 22
49 to 66
Resilience: Unit (Modulus of Resilience), kJ/m3 92
180 to 1130
Stiffness to Weight: Axial, points 15
7.4
Stiffness to Weight: Bending, points 72
18
Strength to Weight: Axial, points 32
12 to 20
Strength to Weight: Bending, points 44
13 to 19
Thermal Diffusivity, mm2/s 76
53
Thermal Shock Resistance, points 11
14 to 23

Alloy Composition

Aluminum (Al), % 1.6 to 2.6
0
Beryllium (Be), % 0
0.35 to 0.8
Cobalt (Co), % 0
0 to 0.3
Copper (Cu), % 0 to 0.010
97.4 to 98.7
Iron (Fe), % 0 to 0.0050
0
Magnesium (Mg), % 96.3 to 98.3
0
Manganese (Mn), % 0.1 to 0.7
0
Nickel (Ni), % 0 to 0.0020
1.0 to 2.0
Silicon (Si), % 0 to 0.1
0
Zinc (Zn), % 0 to 0.2
0
Residuals, % 0 to 0.010
0 to 0.5