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ZC63A Magnesium vs. C71580 Copper-nickel

ZC63A magnesium belongs to the magnesium alloys classification, while C71580 copper-nickel belongs to the copper alloys. There are 30 material properties with values for both materials. Properties with values for just one material (2, 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 C71580 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 60
75
Elastic (Young's, Tensile) Modulus, GPa 48
140
Elongation at Break, % 3.3
40
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 19
51
Shear Strength, MPa 130
230
Tensile Strength: Ultimate (UTS), MPa 220
330
Tensile Strength: Yield (Proof), MPa 130
110

Thermal Properties

Latent Heat of Fusion, J/g 330
230
Maximum Temperature: Mechanical, °C 98
260
Melting Completion (Liquidus), °C 550
1180
Melting Onset (Solidus), °C 470
1120
Specific Heat Capacity, J/kg-K 950
400
Thermal Conductivity, W/m-K 120
39
Thermal Expansion, µm/m-K 26
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 32
4.7
Electrical Conductivity: Equal Weight (Specific), % IACS 140
4.7

Otherwise Unclassified Properties

Base Metal Price, % relative 13
41
Density, g/cm3 2.1
8.9
Embodied Carbon, kg CO2/kg material 22
5.1
Embodied Energy, MJ/kg 150
74
Embodied Water, L/kg 920
280

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.3
100
Resilience: Unit (Modulus of Resilience), kJ/m3 190
47
Stiffness to Weight: Axial, points 13
8.5
Stiffness to Weight: Bending, points 58
19
Strength to Weight: Axial, points 29
10
Strength to Weight: Bending, points 38
12
Thermal Diffusivity, mm2/s 58
11
Thermal Shock Resistance, points 12
11

Alloy Composition

Carbon (C), % 0
0 to 0.070
Copper (Cu), % 2.4 to 3.0
65.5 to 71
Iron (Fe), % 0
0 to 0.5
Lead (Pb), % 0
0 to 0.050
Magnesium (Mg), % 89.2 to 91.9
0
Manganese (Mn), % 0.25 to 0.75
0 to 0.3
Nickel (Ni), % 0 to 0.010
29 to 33
Silicon (Si), % 0 to 0.2
0
Zinc (Zn), % 5.5 to 6.5
0 to 0.050
Residuals, % 0 to 0.3
0 to 0.5