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C19020 Copper vs. ZC63A Magnesium

C19020 copper belongs to the copper alloys classification, while ZC63A magnesium belongs to the magnesium alloys. There are 26 material properties with values for both materials. Properties with values for just one material (6, 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 C19020 copper and the bottom bar is ZC63A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
48
Elongation at Break, % 2.3 to 5.7
3.3
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 44
19
Shear Strength, MPa 260 to 340
130
Tensile Strength: Ultimate (UTS), MPa 440 to 590
220

Thermal Properties

Latent Heat of Fusion, J/g 210
330
Maximum Temperature: Mechanical, °C 200
98
Melting Completion (Liquidus), °C 1090
550
Melting Onset (Solidus), °C 1030
470
Specific Heat Capacity, J/kg-K 390
950
Thermal Conductivity, W/m-K 190
120
Thermal Expansion, µm/m-K 17
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 50
32
Electrical Conductivity: Equal Weight (Specific), % IACS 50
140

Otherwise Unclassified Properties

Base Metal Price, % relative 31
13
Density, g/cm3 8.9
2.1
Embodied Carbon, kg CO2/kg material 2.8
22
Embodied Energy, MJ/kg 44
150
Embodied Water, L/kg 310
920

Common Calculations

Stiffness to Weight: Axial, points 7.2
13
Stiffness to Weight: Bending, points 18
58
Strength to Weight: Axial, points 14 to 18
29
Strength to Weight: Bending, points 14 to 18
38
Thermal Diffusivity, mm2/s 55
58
Thermal Shock Resistance, points 16 to 21
12

Alloy Composition

Copper (Cu), % 95.7 to 99.19
2.4 to 3.0
Magnesium (Mg), % 0
89.2 to 91.9
Manganese (Mn), % 0
0.25 to 0.75
Nickel (Ni), % 0.5 to 3.0
0 to 0.010
Phosphorus (P), % 0.010 to 0.2
0
Silicon (Si), % 0
0 to 0.2
Tin (Sn), % 0.3 to 0.9
0
Zinc (Zn), % 0
5.5 to 6.5
Residuals, % 0
0 to 0.3