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EN-MC21210 Magnesium vs. C99500 Copper

EN-MC21210 magnesium belongs to the magnesium alloys classification, while C99500 copper belongs to the copper alloys. There are 26 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-MC21210 magnesium and the bottom bar is C99500 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 44
120
Elongation at Break, % 14
13
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 17
45
Tensile Strength: Ultimate (UTS), MPa 190
540
Tensile Strength: Yield (Proof), MPa 90
310

Thermal Properties

Latent Heat of Fusion, J/g 350
240
Maximum Temperature: Mechanical, °C 100
210
Melting Completion (Liquidus), °C 600
1090
Melting Onset (Solidus), °C 570
1040
Specific Heat Capacity, J/kg-K 1000
400
Thermal Expansion, µm/m-K 27
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 24
10
Electrical Conductivity: Equal Weight (Specific), % IACS 130
10

Otherwise Unclassified Properties

Base Metal Price, % relative 12
30
Density, g/cm3 1.6
8.7
Embodied Carbon, kg CO2/kg material 24
3.0
Embodied Energy, MJ/kg 160
47
Embodied Water, L/kg 980
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 22
63
Resilience: Unit (Modulus of Resilience), kJ/m3 92
410
Stiffness to Weight: Axial, points 15
7.7
Stiffness to Weight: Bending, points 72
19
Strength to Weight: Axial, points 32
17
Strength to Weight: Bending, points 44
17
Thermal Shock Resistance, points 11
19

Alloy Composition


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Aluminum (Al), % 1.6 to 2.6
0.5 to 2.0
Copper (Cu), % 0 to 0.010
82.5 to 92
Iron (Fe), % 0 to 0.0050
3.0 to 5.0
Lead (Pb), % 0
0 to 0.25
Magnesium (Mg), % 96.3 to 98.3
0
Manganese (Mn), % 0.1 to 0.7
0 to 0.5
Nickel (Ni), % 0 to 0.0020
3.5 to 5.5
Silicon (Si), % 0 to 0.1
0.5 to 2.0
Zinc (Zn), % 0 to 0.2
0.5 to 2.0
Residuals, % 0 to 0.010
0 to 0.3