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EN-MC21230 Magnesium vs. C53800 Bronze

EN-MC21230 magnesium belongs to the magnesium alloys classification, while C53800 bronze belongs to the copper alloys. There are 29 material properties with values for both materials. Properties with values for just one material (2, 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-MC21230 magnesium and the bottom bar is C53800 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 45
110
Elongation at Break, % 10
2.3
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 18
40
Shear Strength, MPa 130
470
Tensile Strength: Ultimate (UTS), MPa 220
830
Tensile Strength: Yield (Proof), MPa 140
660

Thermal Properties

Latent Heat of Fusion, J/g 350
190
Maximum Temperature: Mechanical, °C 120
160
Melting Completion (Liquidus), °C 600
980
Melting Onset (Solidus), °C 520
800
Specific Heat Capacity, J/kg-K 1000
360
Thermal Conductivity, W/m-K 72
61
Thermal Expansion, µm/m-K 27
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 12
9.0
Electrical Conductivity: Equal Weight (Specific), % IACS 63
9.3

Otherwise Unclassified Properties

Base Metal Price, % relative 12
37
Density, g/cm3 1.7
8.7
Embodied Carbon, kg CO2/kg material 23
3.9
Embodied Energy, MJ/kg 160
64
Embodied Water, L/kg 990
420

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 19
18
Resilience: Unit (Modulus of Resilience), kJ/m3 200
2020
Stiffness to Weight: Axial, points 15
6.8
Stiffness to Weight: Bending, points 71
18
Strength to Weight: Axial, points 36
26
Strength to Weight: Bending, points 48
22
Thermal Diffusivity, mm2/s 43
19
Thermal Shock Resistance, points 13
31

Alloy Composition

Aluminum (Al), % 5.5 to 8.5
0
Copper (Cu), % 0 to 0.010
85.1 to 86.5
Iron (Fe), % 0 to 0.0050
0 to 0.030
Lead (Pb), % 0
0.4 to 0.6
Magnesium (Mg), % 90.5 to 94.4
0
Manganese (Mn), % 0.1 to 0.6
0 to 0.060
Nickel (Ni), % 0 to 0.0020
0 to 0.030
Silicon (Si), % 0 to 0.1
0
Tin (Sn), % 0
13.1 to 13.9
Zinc (Zn), % 0 to 0.3
0 to 0.12
Residuals, % 0 to 0.010
0 to 0.2