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WE43B Magnesium vs. C94300 Bronze

WE43B magnesium belongs to the magnesium alloys classification, while C94300 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 C94300 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 44
87
Elongation at Break, % 2.2
9.7
Poisson's Ratio 0.29
0.36
Shear Modulus, GPa 17
32
Tensile Strength: Ultimate (UTS), MPa 250
180
Tensile Strength: Yield (Proof), MPa 200
120

Thermal Properties

Latent Heat of Fusion, J/g 330
150
Maximum Temperature: Mechanical, °C 180
110
Melting Completion (Liquidus), °C 640
820
Melting Onset (Solidus), °C 550
760
Specific Heat Capacity, J/kg-K 960
320
Thermal Conductivity, W/m-K 51
63
Thermal Expansion, µm/m-K 27
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
9.0
Electrical Conductivity: Equal Weight (Specific), % IACS 53
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 34
28
Density, g/cm3 1.9
9.3
Embodied Carbon, kg CO2/kg material 28
2.9
Embodied Energy, MJ/kg 250
47
Embodied Water, L/kg 910
370

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 5.2
15
Resilience: Unit (Modulus of Resilience), kJ/m3 430
77
Stiffness to Weight: Axial, points 13
5.2
Stiffness to Weight: Bending, points 61
16
Strength to Weight: Axial, points 36
5.2
Strength to Weight: Bending, points 46
7.4
Thermal Diffusivity, mm2/s 28
21
Thermal Shock Resistance, points 15
7.1

Alloy Composition


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Aluminum (Al), % 0
0 to 0.0050
Antimony (Sb), % 0
0 to 0.8
Copper (Cu), % 0 to 0.020
67 to 72
Iron (Fe), % 0 to 0.010
0 to 0.15
Lead (Pb), % 0
23 to 27
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 to 1.0
Phosphorus (P), % 0
0 to 1.5
Silicon (Si), % 0
0 to 0.0050
Sulfur (S), % 0
0 to 0.080
Tin (Sn), % 0
4.5 to 6.0
Unspecified Rare Earths, % 2.4 to 4.4
0
Yttrium (Y), % 3.7 to 4.3
0
Zinc (Zn), % 0 to 0.2
0 to 0.8
Zirconium (Zr), % 0.4 to 1.0
0
Residuals, % 0
0 to 1.0