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EN-MC21210 Magnesium vs. C87600 Bronze

EN-MC21210 magnesium belongs to the magnesium alloys classification, while C87600 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 EN-MC21210 magnesium and the bottom bar is C87600 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 44
110
Elongation at Break, % 14
18
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 17
42
Tensile Strength: Ultimate (UTS), MPa 190
470
Tensile Strength: Yield (Proof), MPa 90
230

Thermal Properties

Latent Heat of Fusion, J/g 350
280
Maximum Temperature: Mechanical, °C 100
190
Melting Completion (Liquidus), °C 600
970
Melting Onset (Solidus), °C 570
860
Specific Heat Capacity, J/kg-K 1000
410
Thermal Conductivity, W/m-K 120
28
Thermal Expansion, µm/m-K 27
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 24
6.0
Electrical Conductivity: Equal Weight (Specific), % IACS 130
6.4

Otherwise Unclassified Properties

Base Metal Price, % relative 12
29
Density, g/cm3 1.6
8.5
Embodied Carbon, kg CO2/kg material 24
2.7
Embodied Energy, MJ/kg 160
43
Embodied Water, L/kg 980
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 22
71
Resilience: Unit (Modulus of Resilience), kJ/m3 92
240
Stiffness to Weight: Axial, points 15
7.4
Stiffness to Weight: Bending, points 72
19
Strength to Weight: Axial, points 32
16
Strength to Weight: Bending, points 44
16
Thermal Diffusivity, mm2/s 76
8.1
Thermal Shock Resistance, points 11
17

Alloy Composition


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Aluminum (Al), % 1.6 to 2.6
0
Copper (Cu), % 0 to 0.010
88 to 92.5
Iron (Fe), % 0 to 0.0050
0
Lead (Pb), % 0
0 to 0.5
Magnesium (Mg), % 96.3 to 98.3
0
Manganese (Mn), % 0.1 to 0.7
0
Nickel (Ni), % 0 to 0.0020
0
Silicon (Si), % 0 to 0.1
3.5 to 5.5
Zinc (Zn), % 0 to 0.2
4.0 to 7.0
Residuals, % 0 to 0.010
0 to 0.5