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WE43B Magnesium vs. C94100 Bronze

WE43B magnesium belongs to the magnesium alloys classification, while C94100 bronze belongs to the copper alloys. There are 26 material properties with values for both materials. Properties with values for just one material (5, 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 C94100 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 44
92
Elongation at Break, % 2.2
7.8
Poisson's Ratio 0.29
0.36
Shear Modulus, GPa 17
34
Tensile Strength: Ultimate (UTS), MPa 250
190
Tensile Strength: Yield (Proof), MPa 200
130

Thermal Properties

Latent Heat of Fusion, J/g 330
160
Maximum Temperature: Mechanical, °C 180
130
Melting Completion (Liquidus), °C 640
870
Melting Onset (Solidus), °C 550
790
Specific Heat Capacity, J/kg-K 960
330
Thermal Expansion, µm/m-K 27
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
9.0
Electrical Conductivity: Equal Weight (Specific), % IACS 53
8.8

Otherwise Unclassified Properties

Base Metal Price, % relative 34
29
Density, g/cm3 1.9
9.2
Embodied Carbon, kg CO2/kg material 28
3.0
Embodied Energy, MJ/kg 250
48
Embodied Water, L/kg 910
370

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 5.2
14
Resilience: Unit (Modulus of Resilience), kJ/m3 430
97
Stiffness to Weight: Axial, points 13
5.5
Stiffness to Weight: Bending, points 61
16
Strength to Weight: Axial, points 36
5.8
Strength to Weight: Bending, points 46
8.1
Thermal Shock Resistance, points 15
7.6

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
72 to 79
Iron (Fe), % 0 to 0.010
0 to 0.25
Lead (Pb), % 0
18 to 22
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 6.5
Unspecified Rare Earths, % 2.4 to 4.4
0
Yttrium (Y), % 3.7 to 4.3
0
Zinc (Zn), % 0 to 0.2
0 to 1.0
Zirconium (Zr), % 0.4 to 1.0
0
Residuals, % 0
0 to 1.3