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EN-MC21210 Magnesium vs. C19020 Copper

EN-MC21210 magnesium belongs to the magnesium alloys classification, while C19020 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-MC21210 magnesium and the bottom bar is C19020 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 44
120
Elongation at Break, % 14
2.3 to 5.7
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 17
44
Shear Strength, MPa 110
260 to 340
Tensile Strength: Ultimate (UTS), MPa 190
440 to 590

Thermal Properties

Latent Heat of Fusion, J/g 350
210
Maximum Temperature: Mechanical, °C 100
200
Melting Completion (Liquidus), °C 600
1090
Melting Onset (Solidus), °C 570
1030
Specific Heat Capacity, J/kg-K 1000
390
Thermal Conductivity, W/m-K 120
190
Thermal Expansion, µm/m-K 27
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 24
50
Electrical Conductivity: Equal Weight (Specific), % IACS 130
50

Otherwise Unclassified Properties

Base Metal Price, % relative 12
31
Density, g/cm3 1.6
8.9
Embodied Carbon, kg CO2/kg material 24
2.8
Embodied Energy, MJ/kg 160
44
Embodied Water, L/kg 980
310

Common Calculations

Stiffness to Weight: Axial, points 15
7.2
Stiffness to Weight: Bending, points 72
18
Strength to Weight: Axial, points 32
14 to 18
Strength to Weight: Bending, points 44
14 to 18
Thermal Diffusivity, mm2/s 76
55
Thermal Shock Resistance, points 11
16 to 21

Alloy Composition

Aluminum (Al), % 1.6 to 2.6
0
Copper (Cu), % 0 to 0.010
95.7 to 99.19
Iron (Fe), % 0 to 0.0050
0
Magnesium (Mg), % 96.3 to 98.3
0
Manganese (Mn), % 0.1 to 0.7
0
Nickel (Ni), % 0 to 0.0020
0.5 to 3.0
Phosphorus (P), % 0
0.010 to 0.2
Silicon (Si), % 0 to 0.1
0
Tin (Sn), % 0
0.3 to 0.9
Zinc (Zn), % 0 to 0.2
0
Residuals, % 0 to 0.010
0 to 0.2