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AZ63A Magnesium vs. C71580 Copper-nickel

AZ63A magnesium belongs to the magnesium alloys classification, while C71580 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 AZ63A magnesium and the bottom bar is C71580 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 46
140
Elongation at Break, % 2.2 to 8.0
40
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 18
51
Shear Strength, MPa 110 to 160
230
Tensile Strength: Ultimate (UTS), MPa 190 to 270
330
Tensile Strength: Yield (Proof), MPa 81 to 120
110

Thermal Properties

Latent Heat of Fusion, J/g 350
230
Maximum Temperature: Mechanical, °C 120
260
Melting Completion (Liquidus), °C 610
1180
Melting Onset (Solidus), °C 450
1120
Specific Heat Capacity, J/kg-K 980
400
Thermal Conductivity, W/m-K 52 to 65
39
Thermal Expansion, µm/m-K 26
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 12 to 15
4.7
Electrical Conductivity: Equal Weight (Specific), % IACS 59 to 74
4.7

Otherwise Unclassified Properties

Base Metal Price, % relative 12
41
Density, g/cm3 1.8
8.9
Embodied Carbon, kg CO2/kg material 22
5.1
Embodied Energy, MJ/kg 150
74
Embodied Water, L/kg 970
280

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 3.7 to 16
100
Resilience: Unit (Modulus of Resilience), kJ/m3 71 to 160
47
Stiffness to Weight: Axial, points 14
8.5
Stiffness to Weight: Bending, points 66
19
Strength to Weight: Axial, points 29 to 41
10
Strength to Weight: Bending, points 40 to 51
12
Thermal Diffusivity, mm2/s 29 to 37
11
Thermal Shock Resistance, points 11 to 16
11

Alloy Composition

Aluminum (Al), % 5.3 to 6.7
0
Carbon (C), % 0
0 to 0.070
Copper (Cu), % 0 to 0.25
65.5 to 71
Iron (Fe), % 0
0 to 0.5
Lead (Pb), % 0
0 to 0.050
Magnesium (Mg), % 88.6 to 92.1
0
Manganese (Mn), % 0.15 to 0.35
0 to 0.3
Nickel (Ni), % 0 to 0.010
29 to 33
Silicon (Si), % 0 to 0.3
0
Zinc (Zn), % 2.5 to 3.5
0 to 0.050
Residuals, % 0
0 to 0.5