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EN-MC65120 Magnesium vs. C54400 Bronze

EN-MC65120 magnesium belongs to the magnesium alloys classification, while C54400 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 EN-MC65120 magnesium and the bottom bar is C54400 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 45
110
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 17
40
Tensile Strength: Ultimate (UTS), MPa 160
330 to 720

Thermal Properties

Latent Heat of Fusion, J/g 330
190
Maximum Temperature: Mechanical, °C 180
170
Melting Completion (Liquidus), °C 590
1000
Melting Onset (Solidus), °C 520
930
Specific Heat Capacity, J/kg-K 970
370
Thermal Conductivity, W/m-K 100
86
Thermal Expansion, µm/m-K 26
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
19
Electrical Conductivity: Equal Weight (Specific), % IACS 120
19

Otherwise Unclassified Properties

Base Metal Price, % relative 25
31
Density, g/cm3 1.9
8.9
Embodied Carbon, kg CO2/kg material 25
2.9
Embodied Energy, MJ/kg 190
48
Embodied Water, L/kg 930
340

Common Calculations

Stiffness to Weight: Axial, points 13
6.8
Stiffness to Weight: Bending, points 62
18
Strength to Weight: Axial, points 23
10 to 22
Strength to Weight: Bending, points 34
12 to 20
Thermal Diffusivity, mm2/s 56
26
Thermal Shock Resistance, points 9.8
12 to 26

Alloy Composition


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Copper (Cu), % 0 to 0.030
85.4 to 91.5
Iron (Fe), % 0 to 0.010
0 to 0.1
Lead (Pb), % 0
3.5 to 4.5
Magnesium (Mg), % 91.8 to 95.1
0
Manganese (Mn), % 0 to 0.15
0
Nickel (Ni), % 0 to 0.0050
0
Phosphorus (P), % 0
0.010 to 0.5
Silicon (Si), % 0 to 0.010
0
Tin (Sn), % 0
3.5 to 4.5
Unspecified Rare Earths, % 2.5 to 4.0
0
Zinc (Zn), % 2.0 to 3.0
1.5 to 4.5
Zirconium (Zr), % 0.4 to 1.0
0
Residuals, % 0 to 0.010
0 to 0.5