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EN-MC65120 Magnesium vs. C19200 Copper

EN-MC65120 magnesium belongs to the magnesium alloys classification, while C19200 copper belongs to the copper alloys. There are 29 material properties with values for both materials. Properties with values for just one material (3, 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-MC65120 magnesium and the bottom bar is C19200 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 45
120
Elongation at Break, % 3.1
2.0 to 35
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 17
44
Shear Strength, MPa 92
190 to 300
Tensile Strength: Ultimate (UTS), MPa 160
280 to 530
Tensile Strength: Yield (Proof), MPa 110
98 to 510

Thermal Properties

Latent Heat of Fusion, J/g 330
210
Maximum Temperature: Mechanical, °C 180
200
Melting Completion (Liquidus), °C 590
1080
Melting Onset (Solidus), °C 520
1080
Specific Heat Capacity, J/kg-K 970
390
Thermal Conductivity, W/m-K 100
240
Thermal Expansion, µm/m-K 26
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
58 to 74
Electrical Conductivity: Equal Weight (Specific), % IACS 120
58 to 75

Otherwise Unclassified Properties

Base Metal Price, % relative 25
30
Density, g/cm3 1.9
8.9
Embodied Carbon, kg CO2/kg material 25
2.6
Embodied Energy, MJ/kg 190
41
Embodied Water, L/kg 930
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.4
10 to 98
Resilience: Unit (Modulus of Resilience), kJ/m3 140
42 to 1120
Stiffness to Weight: Axial, points 13
7.2
Stiffness to Weight: Bending, points 62
18
Strength to Weight: Axial, points 23
8.8 to 17
Strength to Weight: Bending, points 34
11 to 16
Thermal Diffusivity, mm2/s 56
69
Thermal Shock Resistance, points 9.8
10 to 19

Alloy Composition


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Copper (Cu), % 0 to 0.030
98.5 to 99.19
Iron (Fe), % 0 to 0.010
0.8 to 1.2
Lead (Pb), % 0
0 to 0.030
Magnesium (Mg), % 91.8 to 95.1
0
Manganese (Mn), % 0 to 0.15
0
Nickel (Ni), % 0 to 0.0050
0
Phosphorus (P), % 0
0.010 to 0.040
Silicon (Si), % 0 to 0.010
0
Unspecified Rare Earths, % 2.5 to 4.0
0
Zinc (Zn), % 2.0 to 3.0
0 to 0.2
Zirconium (Zr), % 0.4 to 1.0
0
Residuals, % 0 to 0.010
0 to 0.2