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EN-MC21210 Magnesium vs. C19025 Copper

EN-MC21210 magnesium belongs to the magnesium alloys classification, while C19025 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 C19025 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 44
120
Elongation at Break, % 14
8.0 to 17
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 17
43
Shear Strength, MPa 110
300 to 360
Tensile Strength: Ultimate (UTS), MPa 190
480 to 620

Thermal Properties

Latent Heat of Fusion, J/g 350
210
Maximum Temperature: Mechanical, °C 100
200
Melting Completion (Liquidus), °C 600
1080
Melting Onset (Solidus), °C 570
1020
Specific Heat Capacity, J/kg-K 1000
380
Thermal Conductivity, W/m-K 120
160
Thermal Expansion, µm/m-K 27
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 24
40
Electrical Conductivity: Equal Weight (Specific), % IACS 130
40

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
320

Common Calculations

Stiffness to Weight: Axial, points 15
7.2
Stiffness to Weight: Bending, points 72
18
Strength to Weight: Axial, points 32
15 to 19
Strength to Weight: Bending, points 44
15 to 18
Thermal Diffusivity, mm2/s 76
47
Thermal Shock Resistance, points 11
17 to 22

Alloy Composition

Aluminum (Al), % 1.6 to 2.6
0
Copper (Cu), % 0 to 0.010
97.1 to 98.5
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
0.8 to 1.2
Phosphorus (P), % 0
0.030 to 0.070
Silicon (Si), % 0 to 0.1
0
Tin (Sn), % 0
0.7 to 1.1
Zinc (Zn), % 0 to 0.2
0 to 0.2
Residuals, % 0 to 0.010
0 to 0.3