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WE43B Magnesium vs. C99500 Copper

WE43B 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 (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 WE43B magnesium and the bottom bar is C99500 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 44
120
Elongation at Break, % 2.2
13
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 17
45
Tensile Strength: Ultimate (UTS), MPa 250
540
Tensile Strength: Yield (Proof), MPa 200
310

Thermal Properties

Latent Heat of Fusion, J/g 330
240
Maximum Temperature: Mechanical, °C 180
210
Melting Completion (Liquidus), °C 640
1090
Melting Onset (Solidus), °C 550
1040
Specific Heat Capacity, J/kg-K 960
400
Thermal Expansion, µm/m-K 27
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
10
Electrical Conductivity: Equal Weight (Specific), % IACS 53
10

Otherwise Unclassified Properties

Base Metal Price, % relative 34
30
Density, g/cm3 1.9
8.7
Embodied Carbon, kg CO2/kg material 28
3.0
Embodied Energy, MJ/kg 250
47
Embodied Water, L/kg 910
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 5.2
63
Resilience: Unit (Modulus of Resilience), kJ/m3 430
410
Stiffness to Weight: Axial, points 13
7.7
Stiffness to Weight: Bending, points 61
19
Strength to Weight: Axial, points 36
17
Strength to Weight: Bending, points 46
17
Thermal Shock Resistance, points 15
19

Alloy Composition


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Aluminum (Al), % 0
0.5 to 2.0
Copper (Cu), % 0 to 0.020
82.5 to 92
Iron (Fe), % 0 to 0.010
3.0 to 5.0
Lead (Pb), % 0
0 to 0.25
Lithium (Li), % 0 to 0.2
0
Magnesium (Mg), % 89.8 to 93.5
0
Manganese (Mn), % 0 to 0.030
0 to 0.5
Nickel (Ni), % 0 to 0.0050
3.5 to 5.5
Silicon (Si), % 0
0.5 to 2.0
Unspecified Rare Earths, % 2.4 to 4.4
0
Yttrium (Y), % 3.7 to 4.3
0
Zinc (Zn), % 0 to 0.2
0.5 to 2.0
Zirconium (Zr), % 0.4 to 1.0
0
Residuals, % 0
0 to 0.3