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EN-MC21210 Magnesium vs. C19800 Copper

EN-MC21210 magnesium belongs to the magnesium alloys classification, while C19800 copper belongs to the copper alloys. There are 29 material properties with values for both materials. Properties with values for just one material (2, 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 C19800 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 44
110
Elongation at Break, % 14
9.0 to 12
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 17
43
Shear Strength, MPa 110
260 to 330
Tensile Strength: Ultimate (UTS), MPa 190
430 to 550
Tensile Strength: Yield (Proof), MPa 90
420 to 550

Thermal Properties

Latent Heat of Fusion, J/g 350
210
Maximum Temperature: Mechanical, °C 100
200
Melting Completion (Liquidus), °C 600
1070
Melting Onset (Solidus), °C 570
1050
Specific Heat Capacity, J/kg-K 1000
390
Thermal Conductivity, W/m-K 120
260
Thermal Expansion, µm/m-K 27
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 24
61
Electrical Conductivity: Equal Weight (Specific), % IACS 130
62

Otherwise Unclassified Properties

Base Metal Price, % relative 12
30
Density, g/cm3 1.6
8.9
Embodied Carbon, kg CO2/kg material 24
2.8
Embodied Energy, MJ/kg 160
43
Embodied Water, L/kg 980
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 22
49 to 52
Resilience: Unit (Modulus of Resilience), kJ/m3 92
770 to 1320
Stiffness to Weight: Axial, points 15
7.2
Stiffness to Weight: Bending, points 72
18
Strength to Weight: Axial, points 32
14 to 17
Strength to Weight: Bending, points 44
14 to 17
Thermal Diffusivity, mm2/s 76
75
Thermal Shock Resistance, points 11
15 to 20

Alloy Composition

Aluminum (Al), % 1.6 to 2.6
0
Copper (Cu), % 0 to 0.010
95.7 to 99.47
Iron (Fe), % 0 to 0.0050
0.020 to 0.5
Magnesium (Mg), % 96.3 to 98.3
0.1 to 1.0
Manganese (Mn), % 0.1 to 0.7
0
Nickel (Ni), % 0 to 0.0020
0
Phosphorus (P), % 0
0.010 to 0.1
Silicon (Si), % 0 to 0.1
0
Tin (Sn), % 0
0.1 to 1.0
Zinc (Zn), % 0 to 0.2
0.3 to 1.5
Residuals, % 0 to 0.010
0 to 0.2