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EN-MC65220 Magnesium vs. C82400 Copper

EN-MC65220 magnesium belongs to the magnesium alloys classification, while C82400 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-MC65220 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, % 2.2
1.0 to 20
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 17
45
Tensile Strength: Ultimate (UTS), MPa 270
500 to 1030
Tensile Strength: Yield (Proof), MPa 200
260 to 970

Thermal Properties

Latent Heat of Fusion, J/g 340
230
Maximum Temperature: Mechanical, °C 160
270
Melting Completion (Liquidus), °C 610
1000
Melting Onset (Solidus), °C 550
900
Specific Heat Capacity, J/kg-K 980
380
Thermal Conductivity, W/m-K 110
130
Thermal Expansion, µm/m-K 26
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
25
Electrical Conductivity: Equal Weight (Specific), % IACS 120
26

Otherwise Unclassified Properties

Density, g/cm3 1.9
8.8
Embodied Carbon, kg CO2/kg material 27
8.9
Embodied Energy, MJ/kg 210
140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 5.5
10 to 83
Resilience: Unit (Modulus of Resilience), kJ/m3 450
270 to 3870
Stiffness to Weight: Axial, points 13
7.6
Stiffness to Weight: Bending, points 62
19
Strength to Weight: Axial, points 40
16 to 33
Strength to Weight: Bending, points 49
16 to 26
Thermal Diffusivity, mm2/s 61
39
Thermal Shock Resistance, points 17
17 to 36

Alloy Composition

Aluminum (Al), % 0
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), % 0.050 to 0.1
96 to 98.2
Iron (Fe), % 0 to 0.010
0 to 0.2
Lead (Pb), % 0
0 to 0.020
Magnesium (Mg), % 93.8 to 96.8
0
Manganese (Mn), % 0 to 0.15
0
Nickel (Ni), % 0 to 0.0050
0 to 0.2
Silicon (Si), % 0 to 0.010
0
Silver (Ag), % 1.3 to 1.7
0
Tin (Sn), % 0
0 to 0.1
Titanium (Ti), % 0
0 to 0.12
Unspecified Rare Earths, % 1.5 to 3.0
0
Zinc (Zn), % 0 to 0.2
0 to 0.1
Zirconium (Zr), % 0.4 to 1.0
0
Residuals, % 0 to 0.010
0 to 0.5