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WE43B Magnesium vs. C52400 Bronze

WE43B magnesium belongs to the magnesium alloys classification, while C52400 bronze belongs to the copper alloys. There are 24 material properties with values for both materials. Properties with values for just one material (9, 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 C52400 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 44
110
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 17
41
Tensile Strength: Ultimate (UTS), MPa 250
450 to 880

Thermal Properties

Latent Heat of Fusion, J/g 330
190
Maximum Temperature: Mechanical, °C 180
170
Melting Completion (Liquidus), °C 640
1000
Melting Onset (Solidus), °C 550
840
Specific Heat Capacity, J/kg-K 960
370
Thermal Conductivity, W/m-K 51
50
Thermal Expansion, µm/m-K 27
18

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 34
35
Density, g/cm3 1.9
8.8
Embodied Carbon, kg CO2/kg material 28
3.6
Embodied Energy, MJ/kg 250
58
Embodied Water, L/kg 910
390

Common Calculations

Stiffness to Weight: Axial, points 13
6.9
Stiffness to Weight: Bending, points 61
18
Strength to Weight: Axial, points 36
14 to 28
Strength to Weight: Bending, points 46
15 to 23
Thermal Diffusivity, mm2/s 28
15
Thermal Shock Resistance, points 15
17 to 32

Alloy Composition

Copper (Cu), % 0 to 0.020
87.8 to 91
Iron (Fe), % 0 to 0.010
0 to 0.1
Lead (Pb), % 0
0 to 0.050
Lithium (Li), % 0 to 0.2
0
Magnesium (Mg), % 89.8 to 93.5
0
Manganese (Mn), % 0 to 0.030
0
Nickel (Ni), % 0 to 0.0050
0
Phosphorus (P), % 0
0.030 to 0.35
Tin (Sn), % 0
9.0 to 11
Unspecified Rare Earths, % 2.4 to 4.4
0
Yttrium (Y), % 3.7 to 4.3
0
Zinc (Zn), % 0 to 0.2
0 to 0.2
Zirconium (Zr), % 0.4 to 1.0
0
Residuals, % 0
0 to 0.5