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EN-MC21210 Magnesium vs. C17500 Copper

EN-MC21210 magnesium belongs to the magnesium alloys classification, while C17500 copper belongs to the copper alloys. There are 30 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 C17500 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 44
120
Elongation at Break, % 14
6.0 to 30
Fatigue Strength, MPa 70
170 to 310
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 17
45
Shear Strength, MPa 110
200 to 520
Tensile Strength: Ultimate (UTS), MPa 190
310 to 860
Tensile Strength: Yield (Proof), MPa 90
170 to 760

Thermal Properties

Latent Heat of Fusion, J/g 350
220
Maximum Temperature: Mechanical, °C 100
220
Melting Completion (Liquidus), °C 600
1060
Melting Onset (Solidus), °C 570
1020
Specific Heat Capacity, J/kg-K 1000
390
Thermal Conductivity, W/m-K 120
200
Thermal Expansion, µm/m-K 27
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 24
24 to 53
Electrical Conductivity: Equal Weight (Specific), % IACS 130
24 to 54

Otherwise Unclassified Properties

Base Metal Price, % relative 12
60
Density, g/cm3 1.6
8.9
Embodied Carbon, kg CO2/kg material 24
4.7
Embodied Energy, MJ/kg 160
73
Embodied Water, L/kg 980
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 22
30 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 92
120 to 2390
Stiffness to Weight: Axial, points 15
7.5
Stiffness to Weight: Bending, points 72
18
Strength to Weight: Axial, points 32
9.7 to 27
Strength to Weight: Bending, points 44
11 to 23
Thermal Diffusivity, mm2/s 76
59
Thermal Shock Resistance, points 11
11 to 29

Alloy Composition

Aluminum (Al), % 1.6 to 2.6
0 to 0.2
Beryllium (Be), % 0
0.4 to 0.7
Cobalt (Co), % 0
2.4 to 2.7
Copper (Cu), % 0 to 0.010
95.6 to 97.2
Iron (Fe), % 0 to 0.0050
0 to 0.1
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 to 0.2
Zinc (Zn), % 0 to 0.2
0
Residuals, % 0 to 0.010
0 to 0.5