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CC380H Copper-nickel vs. EN-MC21220 Magnesium

CC380H copper-nickel belongs to the copper alloys classification, while EN-MC21220 magnesium belongs to the magnesium alloys. There are 29 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 CC380H copper-nickel and the bottom bar is EN-MC21220 magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 80
58
Elastic (Young's, Tensile) Modulus, GPa 120
45
Elongation at Break, % 26
11
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 47
17
Tensile Strength: Ultimate (UTS), MPa 310
210
Tensile Strength: Yield (Proof), MPa 120
120

Thermal Properties

Latent Heat of Fusion, J/g 220
350
Maximum Temperature: Mechanical, °C 220
120
Melting Completion (Liquidus), °C 1130
600
Melting Onset (Solidus), °C 1080
540
Specific Heat Capacity, J/kg-K 390
1000
Thermal Conductivity, W/m-K 46
65
Thermal Expansion, µm/m-K 17
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
16
Electrical Conductivity: Equal Weight (Specific), % IACS 11
87

Otherwise Unclassified Properties

Base Metal Price, % relative 36
12
Density, g/cm3 8.9
1.7
Embodied Carbon, kg CO2/kg material 3.8
23
Embodied Energy, MJ/kg 58
160
Embodied Water, L/kg 300
990

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 65
20
Resilience: Unit (Modulus of Resilience), kJ/m3 59
160
Stiffness to Weight: Axial, points 7.8
15
Stiffness to Weight: Bending, points 19
71
Strength to Weight: Axial, points 9.8
34
Strength to Weight: Bending, points 12
46
Thermal Diffusivity, mm2/s 13
39
Thermal Shock Resistance, points 11
12

Alloy Composition


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Aluminum (Al), % 0 to 0.010
4.4 to 5.5
Copper (Cu), % 84.5 to 89
0 to 0.010
Iron (Fe), % 1.0 to 1.8
0 to 0.0050
Lead (Pb), % 0 to 0.030
0
Magnesium (Mg), % 0
93.5 to 95.5
Manganese (Mn), % 1.0 to 1.5
0.1 to 0.6
Nickel (Ni), % 9.0 to 11
0 to 0.0020
Niobium (Nb), % 0 to 1.0
0
Silicon (Si), % 0 to 0.1
0 to 0.1
Zinc (Zn), % 0 to 0.5
0 to 0.3
Residuals, % 0
0 to 0.010