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EN-MC65220 Magnesium vs. C82800 Copper

EN-MC65220 magnesium belongs to the magnesium alloys classification, while C82800 copper belongs to the copper alloys. There are 26 material properties with values for both materials. Properties with values for just one material (6, 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 C82800 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
46
Tensile Strength: Ultimate (UTS), MPa 270
670 to 1140
Tensile Strength: Yield (Proof), MPa 200
380 to 1000

Thermal Properties

Latent Heat of Fusion, J/g 340
240
Maximum Temperature: Mechanical, °C 160
310
Melting Completion (Liquidus), °C 610
930
Melting Onset (Solidus), °C 550
890
Specific Heat Capacity, J/kg-K 980
390
Thermal Conductivity, W/m-K 110
120
Thermal Expansion, µm/m-K 26
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
18
Electrical Conductivity: Equal Weight (Specific), % IACS 120
19

Otherwise Unclassified Properties

Density, g/cm3 1.9
8.7
Embodied Carbon, kg CO2/kg material 27
12
Embodied Energy, MJ/kg 210
190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 5.5
11 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 450
590 to 4080
Stiffness to Weight: Axial, points 13
7.8
Stiffness to Weight: Bending, points 62
19
Strength to Weight: Axial, points 40
21 to 36
Strength to Weight: Bending, points 49
20 to 28
Thermal Diffusivity, mm2/s 61
36
Thermal Shock Resistance, points 17
23 to 39

Alloy Composition

Aluminum (Al), % 0
0 to 0.15
Beryllium (Be), % 0
2.5 to 2.9
Chromium (Cr), % 0
0 to 0.1
Cobalt (Co), % 0
0.15 to 0.7
Copper (Cu), % 0.050 to 0.1
94.6 to 97.2
Iron (Fe), % 0 to 0.010
0 to 0.25
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
0.2 to 0.35
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