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CC140C Copper vs. ZE41A Magnesium

CC140C copper belongs to the copper alloys classification, while ZE41A magnesium belongs to the magnesium alloys. There are 29 material properties with values for both materials. Properties with values for just one material (5, 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 ZE41A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 110
63
Elastic (Young's, Tensile) Modulus, GPa 120
45
Elongation at Break, % 11
3.3
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 44
18
Tensile Strength: Ultimate (UTS), MPa 340
210
Tensile Strength: Yield (Proof), MPa 230
140

Thermal Properties

Latent Heat of Fusion, J/g 210
330
Maximum Temperature: Mechanical, °C 200
150
Melting Completion (Liquidus), °C 1100
640
Melting Onset (Solidus), °C 1040
540
Specific Heat Capacity, J/kg-K 390
970
Thermal Conductivity, W/m-K 310
110
Thermal Expansion, µm/m-K 17
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 77
27
Electrical Conductivity: Equal Weight (Specific), % IACS 78
130

Otherwise Unclassified Properties

Base Metal Price, % relative 31
18
Density, g/cm3 8.9
1.9
Embodied Carbon, kg CO2/kg material 2.6
24
Embodied Energy, MJ/kg 41
170
Embodied Water, L/kg 310
940

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 34
6.1
Resilience: Unit (Modulus of Resilience), kJ/m3 220
220
Stiffness to Weight: Axial, points 7.3
13
Stiffness to Weight: Bending, points 18
63
Strength to Weight: Axial, points 10
31
Strength to Weight: Bending, points 12
41
Thermal Diffusivity, mm2/s 89
59
Thermal Shock Resistance, points 12
12

Alloy Composition

Chromium (Cr), % 0.4 to 1.2
0
Copper (Cu), % 98.8 to 99.6
0 to 0.1
Magnesium (Mg), % 0
91.7 to 95.4
Manganese (Mn), % 0
0 to 0.15
Nickel (Ni), % 0
0 to 0.010
Unspecified Rare Earths, % 0
0.75 to 1.8
Zinc (Zn), % 0
3.5 to 5.0
Zirconium (Zr), % 0
0.4 to 1.0
Residuals, % 0
0 to 0.3