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EN-MC21220 Magnesium vs. C96600 Copper

EN-MC21220 magnesium belongs to the magnesium alloys classification, while C96600 copper belongs to the copper alloys. There are 28 material properties with values for both materials. Properties with values for just one material (3, 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-MC21220 magnesium and the bottom bar is C96600 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 45
140
Elongation at Break, % 11
7.0
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 17
52
Tensile Strength: Ultimate (UTS), MPa 210
760
Tensile Strength: Yield (Proof), MPa 120
480

Thermal Properties

Latent Heat of Fusion, J/g 350
240
Maximum Temperature: Mechanical, °C 120
280
Melting Completion (Liquidus), °C 600
1180
Melting Onset (Solidus), °C 540
1100
Specific Heat Capacity, J/kg-K 1000
400
Thermal Conductivity, W/m-K 65
30
Thermal Expansion, µm/m-K 27
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 16
4.0
Electrical Conductivity: Equal Weight (Specific), % IACS 87
4.1

Otherwise Unclassified Properties

Base Metal Price, % relative 12
65
Density, g/cm3 1.7
8.9
Embodied Carbon, kg CO2/kg material 23
7.0
Embodied Energy, MJ/kg 160
100
Embodied Water, L/kg 990
280

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 20
47
Resilience: Unit (Modulus of Resilience), kJ/m3 160
830
Stiffness to Weight: Axial, points 15
8.7
Stiffness to Weight: Bending, points 71
20
Strength to Weight: Axial, points 34
24
Strength to Weight: Bending, points 46
21
Thermal Diffusivity, mm2/s 39
8.4
Thermal Shock Resistance, points 12
25

Alloy Composition

Aluminum (Al), % 4.4 to 5.5
0
Beryllium (Be), % 0
0.4 to 0.7
Copper (Cu), % 0 to 0.010
63.5 to 69.8
Iron (Fe), % 0 to 0.0050
0.8 to 1.1
Lead (Pb), % 0
0 to 0.010
Magnesium (Mg), % 93.5 to 95.5
0
Manganese (Mn), % 0.1 to 0.6
0 to 1.0
Nickel (Ni), % 0 to 0.0020
29 to 33
Silicon (Si), % 0 to 0.1
0 to 0.15
Zinc (Zn), % 0 to 0.3
0
Residuals, % 0 to 0.010
0 to 0.5