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EN-MC21210 Magnesium vs. C82000 Copper

EN-MC21210 magnesium belongs to the magnesium alloys classification, while C82000 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 C82000 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
45
Tensile Strength: Ultimate (UTS), MPa 190
350 to 690
Tensile Strength: Yield (Proof), MPa 90
140 to 520

Thermal Properties

Latent Heat of Fusion, J/g 350
220
Maximum Temperature: Mechanical, °C 100
220
Melting Completion (Liquidus), °C 600
1090
Melting Onset (Solidus), °C 570
970
Specific Heat Capacity, J/kg-K 1000
390
Thermal Conductivity, W/m-K 120
260
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
60
Density, g/cm3 1.6
8.9
Embodied Carbon, kg CO2/kg material 24
5.0
Embodied Energy, MJ/kg 160
77
Embodied Water, L/kg 980
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 22
51 to 55
Resilience: Unit (Modulus of Resilience), kJ/m3 92
80 to 1120
Stiffness to Weight: Axial, points 15
7.5
Stiffness to Weight: Bending, points 72
18
Strength to Weight: Axial, points 32
11 to 22
Strength to Weight: Bending, points 44
12 to 20
Thermal Diffusivity, mm2/s 76
76
Thermal Shock Resistance, points 11
12 to 24

Alloy Composition

Aluminum (Al), % 1.6 to 2.6
0 to 0.1
Beryllium (Be), % 0
0.45 to 0.8
Chromium (Cr), % 0
0 to 0.1
Cobalt (Co), % 0
2.2 to 2.7
Copper (Cu), % 0 to 0.010
95.2 to 97.4
Iron (Fe), % 0 to 0.0050
0 to 0.1
Lead (Pb), % 0
0 to 0.020
Magnesium (Mg), % 96.3 to 98.3
0
Manganese (Mn), % 0.1 to 0.7
0
Nickel (Ni), % 0 to 0.0020
0 to 0.2
Silicon (Si), % 0 to 0.1
0 to 0.15
Tin (Sn), % 0
0 to 0.1
Zinc (Zn), % 0 to 0.2
0 to 0.1
Residuals, % 0 to 0.010
0 to 0.5