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ZC63A Magnesium vs. C71520 Copper-nickel

ZC63A magnesium belongs to the magnesium alloys classification, while C71520 copper-nickel belongs to the copper alloys. There are 29 material properties with values for both materials. Properties with values for just one material (4, 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 C71520 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 48
140
Elongation at Break, % 3.3
10 to 45
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 19
51
Shear Strength, MPa 130
250 to 340
Tensile Strength: Ultimate (UTS), MPa 220
370 to 570
Tensile Strength: Yield (Proof), MPa 130
140 to 430

Thermal Properties

Latent Heat of Fusion, J/g 330
230
Maximum Temperature: Mechanical, °C 98
260
Melting Completion (Liquidus), °C 550
1170
Melting Onset (Solidus), °C 470
1120
Specific Heat Capacity, J/kg-K 950
400
Thermal Conductivity, W/m-K 120
32
Thermal Expansion, µm/m-K 26
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 32
5.7
Electrical Conductivity: Equal Weight (Specific), % IACS 140
5.8

Otherwise Unclassified Properties

Base Metal Price, % relative 13
40
Density, g/cm3 2.1
8.9
Embodied Carbon, kg CO2/kg material 22
5.0
Embodied Energy, MJ/kg 150
73
Embodied Water, L/kg 920
280

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.3
54 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 190
67 to 680
Stiffness to Weight: Axial, points 13
8.6
Stiffness to Weight: Bending, points 58
19
Strength to Weight: Axial, points 29
12 to 18
Strength to Weight: Bending, points 38
13 to 17
Thermal Diffusivity, mm2/s 58
8.9
Thermal Shock Resistance, points 12
12 to 19

Alloy Composition

Carbon (C), % 0
0 to 0.050
Copper (Cu), % 2.4 to 3.0
65 to 71.6
Iron (Fe), % 0
0.4 to 1.0
Lead (Pb), % 0
0 to 0.020
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
28 to 33
Phosphorus (P), % 0
0 to 0.2
Silicon (Si), % 0 to 0.2
0
Sulfur (S), % 0
0 to 0.020
Zinc (Zn), % 5.5 to 6.5
0 to 0.5
Residuals, % 0 to 0.3
0 to 0.5