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EN-MC65120 Magnesium vs. CC380H Copper-nickel

EN-MC65120 magnesium belongs to the magnesium alloys classification, while CC380H copper-nickel belongs to the copper 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 EN-MC65120 magnesium and the bottom bar is CC380H copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 55
80
Elastic (Young's, Tensile) Modulus, GPa 45
120
Elongation at Break, % 3.1
26
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 17
47
Tensile Strength: Ultimate (UTS), MPa 160
310
Tensile Strength: Yield (Proof), MPa 110
120

Thermal Properties

Latent Heat of Fusion, J/g 330
220
Maximum Temperature: Mechanical, °C 180
220
Melting Completion (Liquidus), °C 590
1130
Melting Onset (Solidus), °C 520
1080
Specific Heat Capacity, J/kg-K 970
390
Thermal Conductivity, W/m-K 100
46
Thermal Expansion, µm/m-K 26
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
11
Electrical Conductivity: Equal Weight (Specific), % IACS 120
11

Otherwise Unclassified Properties

Base Metal Price, % relative 25
36
Density, g/cm3 1.9
8.9
Embodied Carbon, kg CO2/kg material 25
3.8
Embodied Energy, MJ/kg 190
58
Embodied Water, L/kg 930
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.4
65
Resilience: Unit (Modulus of Resilience), kJ/m3 140
59
Stiffness to Weight: Axial, points 13
7.8
Stiffness to Weight: Bending, points 62
19
Strength to Weight: Axial, points 23
9.8
Strength to Weight: Bending, points 34
12
Thermal Diffusivity, mm2/s 56
13
Thermal Shock Resistance, points 9.8
11

Alloy Composition


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Aluminum (Al), % 0
0 to 0.010
Copper (Cu), % 0 to 0.030
84.5 to 89
Iron (Fe), % 0 to 0.010
1.0 to 1.8
Lead (Pb), % 0
0 to 0.030
Magnesium (Mg), % 91.8 to 95.1
0
Manganese (Mn), % 0 to 0.15
1.0 to 1.5
Nickel (Ni), % 0 to 0.0050
9.0 to 11
Niobium (Nb), % 0
0 to 1.0
Silicon (Si), % 0 to 0.010
0 to 0.1
Unspecified Rare Earths, % 2.5 to 4.0
0
Zinc (Zn), % 2.0 to 3.0
0 to 0.5
Zirconium (Zr), % 0.4 to 1.0
0
Residuals, % 0 to 0.010
0