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EN-MC65220 Magnesium vs. C82000 Copper

EN-MC65220 magnesium belongs to the magnesium alloys classification, while C82000 copper belongs to the copper alloys. There are 27 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 C82000 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 44
120
Elongation at Break, % 2.2
8.0 to 20
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 17
45
Tensile Strength: Ultimate (UTS), MPa 270
350 to 690
Tensile Strength: Yield (Proof), MPa 200
140 to 520

Thermal Properties

Latent Heat of Fusion, J/g 340
220
Maximum Temperature: Mechanical, °C 160
220
Melting Completion (Liquidus), °C 610
1090
Melting Onset (Solidus), °C 550
970
Specific Heat Capacity, J/kg-K 980
390
Thermal Conductivity, W/m-K 110
260
Thermal Expansion, µm/m-K 26
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
45
Electrical Conductivity: Equal Weight (Specific), % IACS 120
46

Otherwise Unclassified Properties

Base Metal Price, % relative 80
60
Density, g/cm3 1.9
8.9
Embodied Carbon, kg CO2/kg material 27
5.0
Embodied Energy, MJ/kg 210
77

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 5.5
51 to 55
Resilience: Unit (Modulus of Resilience), kJ/m3 450
80 to 1120
Stiffness to Weight: Axial, points 13
7.5
Stiffness to Weight: Bending, points 62
18
Strength to Weight: Axial, points 40
11 to 22
Strength to Weight: Bending, points 49
12 to 20
Thermal Diffusivity, mm2/s 61
76
Thermal Shock Resistance, points 17
12 to 24

Alloy Composition

Aluminum (Al), % 0
0 to 0.1
Beryllium (Be), % 0
0.45 to 0.8
Chromium (Cr), % 0
0 to 0.1
Cobalt (Co), % 0
2.2 to 2.7
Copper (Cu), % 0.050 to 0.1
95.2 to 97.4
Iron (Fe), % 0 to 0.010
0 to 0.1
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 to 0.15
Silver (Ag), % 1.3 to 1.7
0
Tin (Sn), % 0
0 to 0.1
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