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C19025 Copper vs. ZC63A Magnesium

C19025 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 C19025 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, % 8.0 to 17
3.3
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 43
19
Shear Strength, MPa 300 to 360
130
Tensile Strength: Ultimate (UTS), MPa 480 to 620
220

Thermal Properties

Latent Heat of Fusion, J/g 210
330
Maximum Temperature: Mechanical, °C 200
98
Melting Completion (Liquidus), °C 1080
550
Melting Onset (Solidus), °C 1020
470
Specific Heat Capacity, J/kg-K 380
950
Thermal Conductivity, W/m-K 160
120
Thermal Expansion, µm/m-K 17
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 40
32
Electrical Conductivity: Equal Weight (Specific), % IACS 40
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 320
920

Common Calculations

Stiffness to Weight: Axial, points 7.2
13
Stiffness to Weight: Bending, points 18
58
Strength to Weight: Axial, points 15 to 19
29
Strength to Weight: Bending, points 15 to 18
38
Thermal Diffusivity, mm2/s 47
58
Thermal Shock Resistance, points 17 to 22
12

Alloy Composition

Copper (Cu), % 97.1 to 98.5
2.4 to 3.0
Magnesium (Mg), % 0
89.2 to 91.9
Manganese (Mn), % 0
0.25 to 0.75
Nickel (Ni), % 0.8 to 1.2
0 to 0.010
Phosphorus (P), % 0.030 to 0.070
0
Silicon (Si), % 0
0 to 0.2
Tin (Sn), % 0.7 to 1.1
0
Zinc (Zn), % 0 to 0.2
5.5 to 6.5
Residuals, % 0
0 to 0.3