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EN-MC65210 Magnesium vs. C71580 Copper-nickel

EN-MC65210 magnesium belongs to the magnesium alloys classification, while C71580 copper-nickel belongs to the copper alloys. There are 28 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 EN-MC65210 magnesium and the bottom bar is C71580 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 80
75
Elastic (Young's, Tensile) Modulus, GPa 44
140
Elongation at Break, % 2.8
40
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 17
51
Shear Strength, MPa 150
230
Tensile Strength: Ultimate (UTS), MPa 270
330
Tensile Strength: Yield (Proof), MPa 200
110

Thermal Properties

Latent Heat of Fusion, J/g 340
230
Maximum Temperature: Mechanical, °C 170
260
Melting Completion (Liquidus), °C 610
1180
Melting Onset (Solidus), °C 540
1120
Specific Heat Capacity, J/kg-K 970
400
Thermal Conductivity, W/m-K 110
39
Thermal Expansion, µm/m-K 26
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
4.7
Electrical Conductivity: Equal Weight (Specific), % IACS 110
4.7

Otherwise Unclassified Properties

Density, g/cm3 2.0
8.9
Embodied Carbon, kg CO2/kg material 27
5.1
Embodied Energy, MJ/kg 220
74

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.9
100
Resilience: Unit (Modulus of Resilience), kJ/m3 450
47
Stiffness to Weight: Axial, points 12
8.5
Stiffness to Weight: Bending, points 59
19
Strength to Weight: Axial, points 38
10
Strength to Weight: Bending, points 47
12
Thermal Diffusivity, mm2/s 58
11
Thermal Shock Resistance, points 17
11

Alloy Composition


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Carbon (C), % 0
0 to 0.070
Copper (Cu), % 0 to 0.030
65.5 to 71
Iron (Fe), % 0 to 0.010
0 to 0.5
Lead (Pb), % 0
0 to 0.050
Magnesium (Mg), % 92.6 to 95.6
0
Manganese (Mn), % 0 to 0.15
0 to 0.3
Nickel (Ni), % 0 to 0.0050
29 to 33
Silicon (Si), % 0 to 0.010
0
Silver (Ag), % 2.0 to 3.0
0
Unspecified Rare Earths, % 2.0 to 3.0
0
Zinc (Zn), % 0 to 0.2
0 to 0.050
Zirconium (Zr), % 0.4 to 1.0
0
Residuals, % 0 to 0.010
0 to 0.5