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ISO-WD43150 Magnesium vs. CC381H Copper-nickel

ISO-WD43150 magnesium belongs to the magnesium alloys classification, while CC381H 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 ISO-WD43150 magnesium and the bottom bar is CC381H copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 45
140
Elongation at Break, % 2.8
20
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 18
52
Tensile Strength: Ultimate (UTS), MPa 250
380
Tensile Strength: Yield (Proof), MPa 150
140

Thermal Properties

Latent Heat of Fusion, J/g 350
240
Maximum Temperature: Mechanical, °C 95
260
Melting Completion (Liquidus), °C 610
1180
Melting Onset (Solidus), °C 590
1120
Specific Heat Capacity, J/kg-K 990
410
Thermal Conductivity, W/m-K 140
30
Thermal Expansion, µm/m-K 27
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 31
6.8
Electrical Conductivity: Equal Weight (Specific), % IACS 170
6.9

Otherwise Unclassified Properties

Base Metal Price, % relative 12
40
Density, g/cm3 1.7
8.9
Embodied Carbon, kg CO2/kg material 24
5.0
Embodied Energy, MJ/kg 160
73
Embodied Water, L/kg 970
280

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.1
60
Resilience: Unit (Modulus of Resilience), kJ/m3 250
68
Stiffness to Weight: Axial, points 15
8.6
Stiffness to Weight: Bending, points 71
19
Strength to Weight: Axial, points 41
12
Strength to Weight: Bending, points 52
13
Thermal Diffusivity, mm2/s 81
8.4
Thermal Shock Resistance, points 14
13

Alloy Composition

Aluminum (Al), % 0
0 to 0.010
Carbon (C), % 0
0 to 0.030
Copper (Cu), % 0 to 0.050
64.5 to 69.9
Iron (Fe), % 0
0.5 to 1.5
Lead (Pb), % 0
0 to 0.030
Magnesium (Mg), % 97.5 to 98.8
0
Manganese (Mn), % 1.2 to 2.0
0.6 to 1.2
Nickel (Ni), % 0 to 0.010
29 to 31
Phosphorus (P), % 0
0 to 0.010
Silicon (Si), % 0 to 0.1
0 to 0.1
Sulfur (S), % 0
0 to 0.010
Zinc (Zn), % 0
0 to 0.5
Residuals, % 0 to 0.3
0