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EN-MC65220 Magnesium vs. C65500 Bronze

EN-MC65220 magnesium belongs to the magnesium alloys classification, while C65500 bronze belongs to the copper alloys. There are 28 material properties with values for both materials. Properties with values for just one material (5, 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-MC65220 magnesium and the bottom bar is C65500 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 44
120
Elongation at Break, % 2.2
4.0 to 70
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 17
43
Shear Strength, MPa 150
260 to 440
Tensile Strength: Ultimate (UTS), MPa 270
360 to 760
Tensile Strength: Yield (Proof), MPa 200
120 to 430

Thermal Properties

Latent Heat of Fusion, J/g 340
260
Maximum Temperature: Mechanical, °C 160
200
Melting Completion (Liquidus), °C 610
1030
Melting Onset (Solidus), °C 550
970
Specific Heat Capacity, J/kg-K 980
400
Thermal Conductivity, W/m-K 110
36
Thermal Expansion, µm/m-K 26
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 120
7.3

Otherwise Unclassified Properties

Base Metal Price, % relative 80
29
Density, g/cm3 1.9
8.6
Embodied Carbon, kg CO2/kg material 27
2.7
Embodied Energy, MJ/kg 210
42

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 5.5
11 to 450
Resilience: Unit (Modulus of Resilience), kJ/m3 450
62 to 790
Stiffness to Weight: Axial, points 13
7.5
Stiffness to Weight: Bending, points 62
19
Strength to Weight: Axial, points 40
12 to 24
Strength to Weight: Bending, points 49
13 to 21
Thermal Diffusivity, mm2/s 61
10
Thermal Shock Resistance, points 17
12 to 26

Alloy Composition


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Copper (Cu), % 0.050 to 0.1
91.5 to 96.7
Iron (Fe), % 0 to 0.010
0 to 0.8
Lead (Pb), % 0
0 to 0.050
Magnesium (Mg), % 93.8 to 96.8
0
Manganese (Mn), % 0 to 0.15
0.5 to 1.3
Nickel (Ni), % 0 to 0.0050
0 to 0.6
Silicon (Si), % 0 to 0.010
2.8 to 3.8
Silver (Ag), % 1.3 to 1.7
0
Unspecified Rare Earths, % 1.5 to 3.0
0
Zinc (Zn), % 0 to 0.2
0 to 1.5
Zirconium (Zr), % 0.4 to 1.0
0
Residuals, % 0 to 0.010
0 to 0.5