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WE43B Magnesium vs. C95400 Bronze

WE43B magnesium belongs to the magnesium alloys classification, while C95400 bronze belongs to the copper alloys. There are 28 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 WE43B magnesium and the bottom bar is C95400 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 44
110
Elongation at Break, % 2.2
8.1 to 16
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 17
43
Tensile Strength: Ultimate (UTS), MPa 250
600 to 710
Tensile Strength: Yield (Proof), MPa 200
240 to 360

Thermal Properties

Latent Heat of Fusion, J/g 330
230
Maximum Temperature: Mechanical, °C 180
230
Melting Completion (Liquidus), °C 640
1040
Melting Onset (Solidus), °C 550
1030
Specific Heat Capacity, J/kg-K 960
440
Thermal Conductivity, W/m-K 51
59
Thermal Expansion, µm/m-K 27
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
13
Electrical Conductivity: Equal Weight (Specific), % IACS 53
14

Otherwise Unclassified Properties

Base Metal Price, % relative 34
27
Density, g/cm3 1.9
8.2
Embodied Carbon, kg CO2/kg material 28
3.2
Embodied Energy, MJ/kg 250
53
Embodied Water, L/kg 910
390

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 5.2
48 to 75
Resilience: Unit (Modulus of Resilience), kJ/m3 430
250 to 560
Stiffness to Weight: Axial, points 13
7.7
Stiffness to Weight: Bending, points 61
20
Strength to Weight: Axial, points 36
20 to 24
Strength to Weight: Bending, points 46
19 to 22
Thermal Diffusivity, mm2/s 28
16
Thermal Shock Resistance, points 15
21 to 25

Alloy Composition


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Aluminum (Al), % 0
10 to 11.5
Copper (Cu), % 0 to 0.020
83 to 87
Iron (Fe), % 0 to 0.010
3.0 to 5.0
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
0 to 1.5
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
Residuals, % 0
0 to 0.5