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ZC63A Magnesium vs. C72700 Copper-nickel

ZC63A magnesium belongs to the magnesium alloys classification, while C72700 copper-nickel belongs to the copper alloys. There are 29 material properties with values for both materials. Properties with values for just one material (3, 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 C72700 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 48
120
Elongation at Break, % 3.3
4.0 to 36
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 19
44
Shear Strength, MPa 130
310 to 620
Tensile Strength: Ultimate (UTS), MPa 220
460 to 1070
Tensile Strength: Yield (Proof), MPa 130
580 to 1060

Thermal Properties

Latent Heat of Fusion, J/g 330
210
Maximum Temperature: Mechanical, °C 98
200
Melting Completion (Liquidus), °C 550
1100
Melting Onset (Solidus), °C 470
930
Specific Heat Capacity, J/kg-K 950
380
Thermal Conductivity, W/m-K 120
54
Thermal Expansion, µm/m-K 26
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 32
11
Electrical Conductivity: Equal Weight (Specific), % IACS 140
11

Otherwise Unclassified Properties

Base Metal Price, % relative 13
36
Density, g/cm3 2.1
8.8
Embodied Carbon, kg CO2/kg material 22
4.0
Embodied Energy, MJ/kg 150
62
Embodied Water, L/kg 920
350

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.3
20 to 380
Resilience: Unit (Modulus of Resilience), kJ/m3 190
1420 to 4770
Stiffness to Weight: Axial, points 13
7.4
Stiffness to Weight: Bending, points 58
19
Strength to Weight: Axial, points 29
14 to 34
Strength to Weight: Bending, points 38
15 to 26
Thermal Diffusivity, mm2/s 58
16
Thermal Shock Resistance, points 12
16 to 38

Alloy Composition


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Copper (Cu), % 2.4 to 3.0
82.1 to 86
Iron (Fe), % 0
0 to 0.5
Lead (Pb), % 0
0 to 0.020
Magnesium (Mg), % 89.2 to 91.9
0 to 0.15
Manganese (Mn), % 0.25 to 0.75
0.050 to 0.3
Nickel (Ni), % 0 to 0.010
8.5 to 9.5
Niobium (Nb), % 0
0 to 0.1
Silicon (Si), % 0 to 0.2
0
Tin (Sn), % 0
5.5 to 6.5
Zinc (Zn), % 5.5 to 6.5
0 to 0.5
Residuals, % 0 to 0.3
0 to 0.3