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EN-MC21210 Magnesium vs. C16500 Copper

EN-MC21210 magnesium belongs to the magnesium alloys classification, while C16500 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 C16500 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 44
110
Elongation at Break, % 14
1.5 to 53
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 17
43
Shear Strength, MPa 110
200 to 310
Tensile Strength: Ultimate (UTS), MPa 190
280 to 530
Tensile Strength: Yield (Proof), MPa 90
97 to 520

Thermal Properties

Latent Heat of Fusion, J/g 350
210
Maximum Temperature: Mechanical, °C 100
340
Melting Completion (Liquidus), °C 600
1070
Melting Onset (Solidus), °C 570
1010
Specific Heat Capacity, J/kg-K 1000
380
Thermal Conductivity, W/m-K 120
250
Thermal Expansion, µm/m-K 27
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 24
60
Electrical Conductivity: Equal Weight (Specific), % IACS 130
61

Otherwise Unclassified Properties

Base Metal Price, % relative 12
31
Density, g/cm3 1.6
8.9
Embodied Carbon, kg CO2/kg material 24
2.6
Embodied Energy, MJ/kg 160
42
Embodied Water, L/kg 980
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 22
7.8 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 92
41 to 1160
Stiffness to Weight: Axial, points 15
7.1
Stiffness to Weight: Bending, points 72
18
Strength to Weight: Axial, points 32
8.6 to 17
Strength to Weight: Bending, points 44
11 to 16
Thermal Diffusivity, mm2/s 76
74
Thermal Shock Resistance, points 11
9.8 to 19

Alloy Composition

Aluminum (Al), % 1.6 to 2.6
0
Cadmium (Cd), % 0
0.6 to 1.0
Copper (Cu), % 0 to 0.010
97.8 to 98.9
Iron (Fe), % 0 to 0.0050
0 to 0.020
Magnesium (Mg), % 96.3 to 98.3
0
Manganese (Mn), % 0.1 to 0.7
0
Nickel (Ni), % 0 to 0.0020
0
Silicon (Si), % 0 to 0.1
0
Tin (Sn), % 0
0.5 to 0.7
Zinc (Zn), % 0 to 0.2
0
Residuals, % 0 to 0.010
0 to 0.5