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ISO-WD43150 Magnesium vs. C65100 Bronze

ISO-WD43150 magnesium belongs to the magnesium alloys classification, while C65100 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 ISO-WD43150 magnesium and the bottom bar is C65100 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 45
120
Elongation at Break, % 2.8
2.4 to 50
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 18
43
Shear Strength, MPa 140
200 to 350
Tensile Strength: Ultimate (UTS), MPa 250
280 to 560
Tensile Strength: Yield (Proof), MPa 150
95 to 440

Thermal Properties

Latent Heat of Fusion, J/g 350
230
Maximum Temperature: Mechanical, °C 95
200
Melting Completion (Liquidus), °C 610
1060
Melting Onset (Solidus), °C 590
1030
Specific Heat Capacity, J/kg-K 990
390
Thermal Conductivity, W/m-K 140
57
Thermal Expansion, µm/m-K 27
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 31
12
Electrical Conductivity: Equal Weight (Specific), % IACS 170
12

Otherwise Unclassified Properties

Base Metal Price, % relative 12
30
Density, g/cm3 1.7
8.8
Embodied Carbon, kg CO2/kg material 24
2.6
Embodied Energy, MJ/kg 160
41
Embodied Water, L/kg 970
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.1
12 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 250
39 to 820
Stiffness to Weight: Axial, points 15
7.3
Stiffness to Weight: Bending, points 71
18
Strength to Weight: Axial, points 41
8.7 to 18
Strength to Weight: Bending, points 52
11 to 17
Thermal Diffusivity, mm2/s 81
16
Thermal Shock Resistance, points 14
9.5 to 19

Alloy Composition


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Copper (Cu), % 0 to 0.050
94.5 to 99.2
Iron (Fe), % 0
0 to 0.8
Lead (Pb), % 0
0 to 0.050
Magnesium (Mg), % 97.5 to 98.8
0
Manganese (Mn), % 1.2 to 2.0
0 to 0.7
Nickel (Ni), % 0 to 0.010
0
Silicon (Si), % 0 to 0.1
0.8 to 2.0
Zinc (Zn), % 0
0 to 1.5
Residuals, % 0 to 0.3
0 to 0.5