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WE43B Magnesium vs. C96700 Copper

WE43B magnesium belongs to the magnesium alloys classification, while C96700 copper belongs to the copper alloys. There are 26 material properties with values for both materials. Properties with values for just one material (6, 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 C96700 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 44
140
Elongation at Break, % 2.2
10
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 17
53
Tensile Strength: Ultimate (UTS), MPa 250
1210
Tensile Strength: Yield (Proof), MPa 200
550

Thermal Properties

Latent Heat of Fusion, J/g 330
250
Maximum Temperature: Mechanical, °C 180
310
Melting Completion (Liquidus), °C 640
1170
Melting Onset (Solidus), °C 550
1110
Specific Heat Capacity, J/kg-K 960
400
Thermal Conductivity, W/m-K 51
30
Thermal Expansion, µm/m-K 27
15

Otherwise Unclassified Properties

Base Metal Price, % relative 34
90
Density, g/cm3 1.9
8.8
Embodied Carbon, kg CO2/kg material 28
9.5
Embodied Energy, MJ/kg 250
140
Embodied Water, L/kg 910
280

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 5.2
99
Resilience: Unit (Modulus of Resilience), kJ/m3 430
1080
Stiffness to Weight: Axial, points 13
8.9
Stiffness to Weight: Bending, points 61
20
Strength to Weight: Axial, points 36
38
Strength to Weight: Bending, points 46
29
Thermal Diffusivity, mm2/s 28
8.5
Thermal Shock Resistance, points 15
40

Alloy Composition


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Beryllium (Be), % 0
1.1 to 1.2
Copper (Cu), % 0 to 0.020
62.4 to 68.8
Iron (Fe), % 0 to 0.010
0.4 to 1.0
Lead (Pb), % 0
0 to 0.010
Lithium (Li), % 0 to 0.2
0
Magnesium (Mg), % 89.8 to 93.5
0
Manganese (Mn), % 0 to 0.030
0.4 to 1.0
Nickel (Ni), % 0 to 0.0050
29 to 33
Silicon (Si), % 0
0 to 0.15
Titanium (Ti), % 0
0.15 to 0.35
Unspecified Rare Earths, % 2.4 to 4.4
0
Yttrium (Y), % 3.7 to 4.3
0
Zinc (Zn), % 0 to 0.2
0
Zirconium (Zr), % 0.4 to 1.0
0.15 to 0.35
Residuals, % 0
0 to 0.5