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EN-MC65220 Magnesium vs. C96400 Copper-nickel

EN-MC65220 magnesium belongs to the magnesium alloys classification, while C96400 copper-nickel belongs to the copper alloys. There are 27 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 EN-MC65220 magnesium and the bottom bar is C96400 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 44
140
Elongation at Break, % 2.2
25
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 17
51
Tensile Strength: Ultimate (UTS), MPa 270
490
Tensile Strength: Yield (Proof), MPa 200
260

Thermal Properties

Latent Heat of Fusion, J/g 340
240
Maximum Temperature: Mechanical, °C 160
260
Melting Completion (Liquidus), °C 610
1240
Melting Onset (Solidus), °C 550
1170
Specific Heat Capacity, J/kg-K 980
400
Thermal Conductivity, W/m-K 110
28
Thermal Expansion, µm/m-K 26
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
5.0
Electrical Conductivity: Equal Weight (Specific), % IACS 120
5.1

Otherwise Unclassified Properties

Base Metal Price, % relative 80
45
Density, g/cm3 1.9
8.9
Embodied Carbon, kg CO2/kg material 27
5.9
Embodied Energy, MJ/kg 210
87

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 5.5
100
Resilience: Unit (Modulus of Resilience), kJ/m3 450
250
Stiffness to Weight: Axial, points 13
8.6
Stiffness to Weight: Bending, points 62
19
Strength to Weight: Axial, points 40
15
Strength to Weight: Bending, points 49
16
Thermal Diffusivity, mm2/s 61
7.8
Thermal Shock Resistance, points 17
17

Alloy Composition


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Carbon (C), % 0
0 to 0.15
Copper (Cu), % 0.050 to 0.1
62.3 to 71.3
Iron (Fe), % 0 to 0.010
0.25 to 1.5
Lead (Pb), % 0
0 to 0.010
Magnesium (Mg), % 93.8 to 96.8
0
Manganese (Mn), % 0 to 0.15
0 to 1.5
Nickel (Ni), % 0 to 0.0050
28 to 32
Niobium (Nb), % 0
0.5 to 1.5
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 0 to 0.010
0 to 0.5
Silver (Ag), % 1.3 to 1.7
0
Sulfur (S), % 0
0 to 0.020
Unspecified Rare Earths, % 1.5 to 3.0
0
Zinc (Zn), % 0 to 0.2
0
Zirconium (Zr), % 0.4 to 1.0
0
Residuals, % 0 to 0.010
0 to 0.5