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ZC63A Magnesium vs. C71000 Copper-nickel

ZC63A magnesium belongs to the magnesium alloys classification, while C71000 copper-nickel belongs to the copper alloys. There are 24 material properties with values for both materials. Properties with values for just one material (10, 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 ZC63A magnesium and the bottom bar is C71000 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 48
130
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 19
49
Tensile Strength: Ultimate (UTS), MPa 220
320 to 560

Thermal Properties

Latent Heat of Fusion, J/g 330
230
Maximum Temperature: Mechanical, °C 98
240
Melting Completion (Liquidus), °C 550
1200
Melting Onset (Solidus), °C 470
1150
Specific Heat Capacity, J/kg-K 950
400
Thermal Conductivity, W/m-K 120
43
Thermal Expansion, µm/m-K 26
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 32
6.5
Electrical Conductivity: Equal Weight (Specific), % IACS 140
6.6

Otherwise Unclassified Properties

Base Metal Price, % relative 13
37
Density, g/cm3 2.1
8.9
Embodied Carbon, kg CO2/kg material 22
4.3
Embodied Energy, MJ/kg 150
63
Embodied Water, L/kg 920
290

Common Calculations

Stiffness to Weight: Axial, points 13
8.2
Stiffness to Weight: Bending, points 58
19
Strength to Weight: Axial, points 29
10 to 18
Strength to Weight: Bending, points 38
12 to 17
Thermal Diffusivity, mm2/s 58
12
Thermal Shock Resistance, points 12
12 to 20

Alloy Composition

Copper (Cu), % 2.4 to 3.0
73.5 to 80.5
Iron (Fe), % 0
0.5 to 1.0
Lead (Pb), % 0
0 to 0.050
Magnesium (Mg), % 89.2 to 91.9
0
Manganese (Mn), % 0.25 to 0.75
0 to 1.0
Nickel (Ni), % 0 to 0.010
19 to 23
Silicon (Si), % 0 to 0.2
0
Zinc (Zn), % 5.5 to 6.5
0 to 1.0
Residuals, % 0 to 0.3
0 to 0.5