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EN-MC21210 Magnesium vs. C19400 Copper

EN-MC21210 magnesium belongs to the magnesium alloys classification, while C19400 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-MC21210 magnesium and the bottom bar is C19400 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 44
120
Elongation at Break, % 14
2.3 to 37
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 17
44
Shear Strength, MPa 110
210 to 300
Tensile Strength: Ultimate (UTS), MPa 190
310 to 630
Tensile Strength: Yield (Proof), MPa 90
98 to 520

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
1080
Specific Heat Capacity, J/kg-K 1000
390
Thermal Conductivity, W/m-K 120
260
Thermal Expansion, µm/m-K 27
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 24
58 to 68
Electrical Conductivity: Equal Weight (Specific), % IACS 130
58 to 69

Otherwise Unclassified Properties

Base Metal Price, % relative 12
30
Density, g/cm3 1.6
8.9
Embodied Carbon, kg CO2/kg material 24
2.6
Embodied Energy, MJ/kg 160
40
Embodied Water, L/kg 980
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 22
5.5 to 220
Resilience: Unit (Modulus of Resilience), kJ/m3 92
41 to 1140
Stiffness to Weight: Axial, points 15
7.3
Stiffness to Weight: Bending, points 72
18
Strength to Weight: Axial, points 32
9.7 to 20
Strength to Weight: Bending, points 44
11 to 18
Thermal Diffusivity, mm2/s 76
75
Thermal Shock Resistance, points 11
11 to 22

Alloy Composition

Aluminum (Al), % 1.6 to 2.6
0
Copper (Cu), % 0 to 0.010
96.8 to 97.8
Iron (Fe), % 0 to 0.0050
2.1 to 2.6
Lead (Pb), % 0
0 to 0.030
Magnesium (Mg), % 96.3 to 98.3
0
Manganese (Mn), % 0.1 to 0.7
0
Nickel (Ni), % 0 to 0.0020
0
Phosphorus (P), % 0
0.015 to 0.15
Silicon (Si), % 0 to 0.1
0
Zinc (Zn), % 0 to 0.2
0.050 to 0.2
Residuals, % 0 to 0.010
0 to 0.2