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ISO-WD43150 Magnesium vs. C55180 Copper

ISO-WD43150 magnesium belongs to the magnesium alloys classification, while C55180 copper belongs to the copper alloys. There are 26 material properties with values for both materials. Properties with values for just one material (5, 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 C55180 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 45
110
Elongation at Break, % 2.8
20
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 18
41
Tensile Strength: Ultimate (UTS), MPa 250
200
Tensile Strength: Yield (Proof), MPa 150
100

Thermal Properties

Latent Heat of Fusion, J/g 350
200
Maximum Temperature: Mechanical, °C 95
200
Melting Completion (Liquidus), °C 610
920
Melting Onset (Solidus), °C 590
710
Specific Heat Capacity, J/kg-K 990
400
Thermal Conductivity, W/m-K 140
200
Thermal Expansion, µm/m-K 27
17

Otherwise Unclassified Properties

Base Metal Price, % relative 12
29
Density, g/cm3 1.7
8.6
Embodied Carbon, kg CO2/kg material 24
2.5
Embodied Energy, MJ/kg 160
39
Embodied Water, L/kg 970
290

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.1
34
Resilience: Unit (Modulus of Resilience), kJ/m3 250
48
Stiffness to Weight: Axial, points 15
7.1
Stiffness to Weight: Bending, points 71
18
Strength to Weight: Axial, points 41
6.4
Strength to Weight: Bending, points 52
8.8
Thermal Diffusivity, mm2/s 81
56
Thermal Shock Resistance, points 14
7.9

Alloy Composition


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Copper (Cu), % 0 to 0.050
94.7 to 95.2
Magnesium (Mg), % 97.5 to 98.8
0
Manganese (Mn), % 1.2 to 2.0
0
Nickel (Ni), % 0 to 0.010
0
Phosphorus (P), % 0
4.8 to 5.2
Silicon (Si), % 0 to 0.1
0
Residuals, % 0 to 0.3
0 to 0.15