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ISO-WD43150 Magnesium vs. C99500 Copper

ISO-WD43150 magnesium belongs to the magnesium alloys classification, while C99500 copper belongs to the copper alloys. There are 26 material properties with values for both materials. Properties with values for just one material (4, 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 C99500 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 45
120
Elongation at Break, % 2.8
13
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 18
45
Tensile Strength: Ultimate (UTS), MPa 250
540
Tensile Strength: Yield (Proof), MPa 150
310

Thermal Properties

Latent Heat of Fusion, J/g 350
240
Maximum Temperature: Mechanical, °C 95
210
Melting Completion (Liquidus), °C 610
1090
Melting Onset (Solidus), °C 590
1040
Specific Heat Capacity, J/kg-K 990
400
Thermal Expansion, µm/m-K 27
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 31
10
Electrical Conductivity: Equal Weight (Specific), % IACS 170
10

Otherwise Unclassified Properties

Base Metal Price, % relative 12
30
Density, g/cm3 1.7
8.7
Embodied Carbon, kg CO2/kg material 24
3.0
Embodied Energy, MJ/kg 160
47
Embodied Water, L/kg 970
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.1
63
Resilience: Unit (Modulus of Resilience), kJ/m3 250
410
Stiffness to Weight: Axial, points 15
7.7
Stiffness to Weight: Bending, points 71
19
Strength to Weight: Axial, points 41
17
Strength to Weight: Bending, points 52
17
Thermal Shock Resistance, points 14
19

Alloy Composition


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Aluminum (Al), % 0
0.5 to 2.0
Copper (Cu), % 0 to 0.050
82.5 to 92
Iron (Fe), % 0
3.0 to 5.0
Lead (Pb), % 0
0 to 0.25
Magnesium (Mg), % 97.5 to 98.8
0
Manganese (Mn), % 1.2 to 2.0
0 to 0.5
Nickel (Ni), % 0 to 0.010
3.5 to 5.5
Silicon (Si), % 0 to 0.1
0.5 to 2.0
Zinc (Zn), % 0
0.5 to 2.0
Residuals, % 0 to 0.3
0 to 0.3