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EN-MC65220 Magnesium vs. C89320 Bronze

EN-MC65220 magnesium belongs to the magnesium alloys classification, while C89320 bronze belongs to the copper alloys. There are 27 material properties with values for both materials. Properties with values for just one material (4, 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 C89320 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 44
110
Elongation at Break, % 2.2
17
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 17
40
Tensile Strength: Ultimate (UTS), MPa 270
270
Tensile Strength: Yield (Proof), MPa 200
140

Thermal Properties

Latent Heat of Fusion, J/g 340
190
Maximum Temperature: Mechanical, °C 160
180
Melting Completion (Liquidus), °C 610
1050
Melting Onset (Solidus), °C 550
930
Specific Heat Capacity, J/kg-K 980
360
Thermal Conductivity, W/m-K 110
56
Thermal Expansion, µm/m-K 26
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
15
Electrical Conductivity: Equal Weight (Specific), % IACS 120
15

Otherwise Unclassified Properties

Base Metal Price, % relative 80
37
Density, g/cm3 1.9
8.9
Embodied Carbon, kg CO2/kg material 27
3.5
Embodied Energy, MJ/kg 210
56

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 5.5
38
Resilience: Unit (Modulus of Resilience), kJ/m3 450
93
Stiffness to Weight: Axial, points 13
6.8
Stiffness to Weight: Bending, points 62
18
Strength to Weight: Axial, points 40
8.5
Strength to Weight: Bending, points 49
10
Thermal Diffusivity, mm2/s 61
17
Thermal Shock Resistance, points 17
10

Alloy Composition


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Aluminum (Al), % 0
0 to 0.0050
Antimony (Sb), % 0
0 to 0.35
Bismuth (Bi), % 0
4.0 to 6.0
Copper (Cu), % 0.050 to 0.1
87 to 91
Iron (Fe), % 0 to 0.010
0 to 0.2
Lead (Pb), % 0
0 to 0.090
Magnesium (Mg), % 93.8 to 96.8
0
Manganese (Mn), % 0 to 0.15
0
Nickel (Ni), % 0 to 0.0050
0 to 1.0
Phosphorus (P), % 0
0 to 0.3
Silicon (Si), % 0 to 0.010
0 to 0.0050
Silver (Ag), % 1.3 to 1.7
0
Sulfur (S), % 0
0 to 0.080
Tin (Sn), % 0
5.0 to 7.0
Unspecified Rare Earths, % 1.5 to 3.0
0
Zinc (Zn), % 0 to 0.2
0 to 1.0
Zirconium (Zr), % 0.4 to 1.0
0
Residuals, % 0 to 0.010
0 to 0.5