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CC140C Copper vs. ISO-WD21150 Magnesium

CC140C copper belongs to the copper alloys classification, while ISO-WD21150 magnesium belongs to the magnesium alloys. There are 28 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 CC140C copper and the bottom bar is ISO-WD21150 magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
45
Elongation at Break, % 11
5.7 to 11
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 44
17
Tensile Strength: Ultimate (UTS), MPa 340
240 to 290
Tensile Strength: Yield (Proof), MPa 230
120 to 200

Thermal Properties

Latent Heat of Fusion, J/g 210
350
Maximum Temperature: Mechanical, °C 200
110
Melting Completion (Liquidus), °C 1100
600
Melting Onset (Solidus), °C 1040
550
Specific Heat Capacity, J/kg-K 390
990
Thermal Conductivity, W/m-K 310
100
Thermal Expansion, µm/m-K 17
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 77
19
Electrical Conductivity: Equal Weight (Specific), % IACS 78
100

Otherwise Unclassified Properties

Base Metal Price, % relative 31
12
Density, g/cm3 8.9
1.7
Embodied Carbon, kg CO2/kg material 2.6
23
Embodied Energy, MJ/kg 41
160
Embodied Water, L/kg 310
980

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 34
15 to 24
Resilience: Unit (Modulus of Resilience), kJ/m3 220
160 to 460
Stiffness to Weight: Axial, points 7.3
15
Stiffness to Weight: Bending, points 18
70
Strength to Weight: Axial, points 10
40 to 48
Strength to Weight: Bending, points 12
52 to 58
Thermal Diffusivity, mm2/s 89
60
Thermal Shock Resistance, points 12
15 to 17

Alloy Composition

Aluminum (Al), % 0
2.4 to 3.6
Chromium (Cr), % 0.4 to 1.2
0
Copper (Cu), % 98.8 to 99.6
0 to 0.050
Iron (Fe), % 0
0 to 0.0050
Magnesium (Mg), % 0
94 to 97
Manganese (Mn), % 0
0.15 to 0.4
Nickel (Ni), % 0
0 to 0.0050
Silicon (Si), % 0
0 to 0.1
Zinc (Zn), % 0
0.5 to 1.5
Residuals, % 0
0 to 0.3