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EN-MC65120 Magnesium vs. C65100 Bronze

EN-MC65120 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 (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-MC65120 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, % 3.1
2.4 to 50
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 17
43
Shear Strength, MPa 92
200 to 350
Tensile Strength: Ultimate (UTS), MPa 160
280 to 560
Tensile Strength: Yield (Proof), MPa 110
95 to 440

Thermal Properties

Latent Heat of Fusion, J/g 330
230
Maximum Temperature: Mechanical, °C 180
200
Melting Completion (Liquidus), °C 590
1060
Melting Onset (Solidus), °C 520
1030
Specific Heat Capacity, J/kg-K 970
390
Thermal Conductivity, W/m-K 100
57
Thermal Expansion, µm/m-K 26
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
12
Electrical Conductivity: Equal Weight (Specific), % IACS 120
12

Otherwise Unclassified Properties

Base Metal Price, % relative 25
30
Density, g/cm3 1.9
8.8
Embodied Carbon, kg CO2/kg material 25
2.6
Embodied Energy, MJ/kg 190
41
Embodied Water, L/kg 930
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.4
12 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 140
39 to 820
Stiffness to Weight: Axial, points 13
7.3
Stiffness to Weight: Bending, points 62
18
Strength to Weight: Axial, points 23
8.7 to 18
Strength to Weight: Bending, points 34
11 to 17
Thermal Diffusivity, mm2/s 56
16
Thermal Shock Resistance, points 9.8
9.5 to 19

Alloy Composition


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Copper (Cu), % 0 to 0.030
94.5 to 99.2
Iron (Fe), % 0 to 0.010
0 to 0.8
Lead (Pb), % 0
0 to 0.050
Magnesium (Mg), % 91.8 to 95.1
0
Manganese (Mn), % 0 to 0.15
0 to 0.7
Nickel (Ni), % 0 to 0.0050
0
Silicon (Si), % 0 to 0.010
0.8 to 2.0
Unspecified Rare Earths, % 2.5 to 4.0
0
Zinc (Zn), % 2.0 to 3.0
0 to 1.5
Zirconium (Zr), % 0.4 to 1.0
0
Residuals, % 0 to 0.010
0 to 0.5