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EN-MC65220 Magnesium vs. C82500 Copper

EN-MC65220 magnesium belongs to the magnesium alloys classification, while C82500 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 C82500 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
550 to 1100
Tensile Strength: Yield (Proof), MPa 200
310 to 980

Thermal Properties

Latent Heat of Fusion, J/g 340
240
Maximum Temperature: Mechanical, °C 160
280
Melting Completion (Liquidus), °C 610
980
Melting Onset (Solidus), °C 550
860
Specific Heat Capacity, J/kg-K 980
390
Thermal Conductivity, W/m-K 110
130
Thermal Expansion, µm/m-K 26
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
20
Electrical Conductivity: Equal Weight (Specific), % IACS 120
21

Otherwise Unclassified Properties

Density, g/cm3 1.9
8.8
Embodied Carbon, kg CO2/kg material 27
10
Embodied Energy, MJ/kg 210
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 5.5
11 to 94
Resilience: Unit (Modulus of Resilience), kJ/m3 450
400 to 4000
Stiffness to Weight: Axial, points 13
7.7
Stiffness to Weight: Bending, points 62
19
Strength to Weight: Axial, points 40
18 to 35
Strength to Weight: Bending, points 49
17 to 27
Thermal Diffusivity, mm2/s 61
38
Thermal Shock Resistance, points 17
19 to 38

Alloy Composition

Aluminum (Al), % 0
0 to 0.15
Beryllium (Be), % 0
1.9 to 2.3
Chromium (Cr), % 0
0 to 0.1
Cobalt (Co), % 0
0.15 to 0.7
Copper (Cu), % 0.050 to 0.1
95.3 to 97.8
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