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WE43B Magnesium vs. C86500 Bronze

WE43B magnesium belongs to the magnesium alloys classification, while C86500 bronze 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 WE43B magnesium and the bottom bar is C86500 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 44
110
Elongation at Break, % 2.2
25
Poisson's Ratio 0.29
0.3
Shear Modulus, GPa 17
40
Tensile Strength: Ultimate (UTS), MPa 250
530
Tensile Strength: Yield (Proof), MPa 200
190

Thermal Properties

Latent Heat of Fusion, J/g 330
170
Maximum Temperature: Mechanical, °C 180
120
Melting Completion (Liquidus), °C 640
880
Melting Onset (Solidus), °C 550
860
Specific Heat Capacity, J/kg-K 960
390
Thermal Conductivity, W/m-K 51
86
Thermal Expansion, µm/m-K 27
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
22
Electrical Conductivity: Equal Weight (Specific), % IACS 53
25

Otherwise Unclassified Properties

Base Metal Price, % relative 34
23
Density, g/cm3 1.9
7.9
Embodied Carbon, kg CO2/kg material 28
2.8
Embodied Energy, MJ/kg 250
48
Embodied Water, L/kg 910
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 5.2
110
Resilience: Unit (Modulus of Resilience), kJ/m3 430
180
Stiffness to Weight: Axial, points 13
7.4
Stiffness to Weight: Bending, points 61
20
Strength to Weight: Axial, points 36
19
Strength to Weight: Bending, points 46
18
Thermal Diffusivity, mm2/s 28
28
Thermal Shock Resistance, points 15
17

Alloy Composition


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Aluminum (Al), % 0
0.5 to 1.5
Copper (Cu), % 0 to 0.020
55 to 60
Iron (Fe), % 0 to 0.010
0.4 to 2.0
Lead (Pb), % 0
0 to 0.4
Lithium (Li), % 0 to 0.2
0
Magnesium (Mg), % 89.8 to 93.5
0
Manganese (Mn), % 0 to 0.030
0.1 to 1.5
Nickel (Ni), % 0 to 0.0050
0 to 1.0
Tin (Sn), % 0
0 to 1.0
Unspecified Rare Earths, % 2.4 to 4.4
0
Yttrium (Y), % 3.7 to 4.3
0
Zinc (Zn), % 0 to 0.2
36 to 42
Zirconium (Zr), % 0.4 to 1.0
0
Residuals, % 0
0 to 1.0