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EN-MC21210 Magnesium vs. C17465 Copper

EN-MC21210 magnesium belongs to the magnesium alloys classification, while C17465 copper belongs to the copper alloys. There are 29 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-MC21210 magnesium and the bottom bar is C17465 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 44
120
Elongation at Break, % 14
5.3 to 36
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 17
44
Shear Strength, MPa 110
210 to 540
Tensile Strength: Ultimate (UTS), MPa 190
310 to 930
Tensile Strength: Yield (Proof), MPa 90
120 to 830

Thermal Properties

Latent Heat of Fusion, J/g 350
210
Maximum Temperature: Mechanical, °C 100
210
Melting Completion (Liquidus), °C 600
1080
Melting Onset (Solidus), °C 570
1030
Specific Heat Capacity, J/kg-K 1000
390
Thermal Conductivity, W/m-K 120
220
Thermal Expansion, µm/m-K 27
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 24
22 to 51
Electrical Conductivity: Equal Weight (Specific), % IACS 130
23 to 52

Otherwise Unclassified Properties

Base Metal Price, % relative 12
45
Density, g/cm3 1.6
8.9
Embodied Carbon, kg CO2/kg material 24
4.1
Embodied Energy, MJ/kg 160
64
Embodied Water, L/kg 980
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 22
47 to 90
Resilience: Unit (Modulus of Resilience), kJ/m3 92
64 to 2920
Stiffness to Weight: Axial, points 15
7.3
Stiffness to Weight: Bending, points 72
18
Strength to Weight: Axial, points 32
9.7 to 29
Strength to Weight: Bending, points 44
11 to 24
Thermal Diffusivity, mm2/s 76
64
Thermal Shock Resistance, points 11
11 to 33

Alloy Composition

Aluminum (Al), % 1.6 to 2.6
0 to 0.2
Beryllium (Be), % 0
0.15 to 0.5
Copper (Cu), % 0 to 0.010
95.7 to 98.7
Iron (Fe), % 0 to 0.0050
0 to 0.2
Lead (Pb), % 0
0.2 to 0.6
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 1.4
Silicon (Si), % 0 to 0.1
0 to 0.2
Tin (Sn), % 0
0 to 0.25
Zinc (Zn), % 0 to 0.2
0
Zirconium (Zr), % 0
0 to 0.5
Residuals, % 0 to 0.010
0 to 0.5