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EN-MC21210 Magnesium vs. C82400 Copper

EN-MC21210 magnesium belongs to the magnesium alloys classification, while C82400 copper belongs to the copper alloys. There are 27 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 C82400 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 44
120
Elongation at Break, % 14
1.0 to 20
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 17
45
Tensile Strength: Ultimate (UTS), MPa 190
500 to 1030
Tensile Strength: Yield (Proof), MPa 90
260 to 970

Thermal Properties

Latent Heat of Fusion, J/g 350
230
Maximum Temperature: Mechanical, °C 100
270
Melting Completion (Liquidus), °C 600
1000
Melting Onset (Solidus), °C 570
900
Specific Heat Capacity, J/kg-K 1000
380
Thermal Conductivity, W/m-K 120
130
Thermal Expansion, µm/m-K 27
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 24
25
Electrical Conductivity: Equal Weight (Specific), % IACS 130
26

Otherwise Unclassified Properties

Density, g/cm3 1.6
8.8
Embodied Carbon, kg CO2/kg material 24
8.9
Embodied Energy, MJ/kg 160
140
Embodied Water, L/kg 980
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 22
10 to 83
Resilience: Unit (Modulus of Resilience), kJ/m3 92
270 to 3870
Stiffness to Weight: Axial, points 15
7.6
Stiffness to Weight: Bending, points 72
19
Strength to Weight: Axial, points 32
16 to 33
Strength to Weight: Bending, points 44
16 to 26
Thermal Diffusivity, mm2/s 76
39
Thermal Shock Resistance, points 11
17 to 36

Alloy Composition

Aluminum (Al), % 1.6 to 2.6
0 to 0.15
Beryllium (Be), % 0
1.6 to 1.9
Chromium (Cr), % 0
0 to 0.1
Cobalt (Co), % 0
0.2 to 0.65
Copper (Cu), % 0 to 0.010
96 to 98.2
Iron (Fe), % 0 to 0.0050
0 to 0.2
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
Tin (Sn), % 0
0 to 0.1
Titanium (Ti), % 0
0 to 0.12
Zinc (Zn), % 0 to 0.2
0 to 0.1
Residuals, % 0 to 0.010
0 to 0.5