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EN-MC65120 Magnesium vs. CC481K Bronze

EN-MC65120 magnesium belongs to the magnesium alloys classification, while CC481K 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-MC65120 magnesium and the bottom bar is CC481K bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 55
90
Elastic (Young's, Tensile) Modulus, GPa 45
110
Elongation at Break, % 3.1
4.5
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 17
40
Tensile Strength: Ultimate (UTS), MPa 160
350
Tensile Strength: Yield (Proof), MPa 110
180

Thermal Properties

Latent Heat of Fusion, J/g 330
190
Maximum Temperature: Mechanical, °C 180
170
Melting Completion (Liquidus), °C 590
1000
Melting Onset (Solidus), °C 520
880
Specific Heat Capacity, J/kg-K 970
370
Thermal Conductivity, W/m-K 100
64
Thermal Expansion, µm/m-K 26
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
10
Electrical Conductivity: Equal Weight (Specific), % IACS 120
10

Otherwise Unclassified Properties

Base Metal Price, % relative 25
35
Density, g/cm3 1.9
8.7
Embodied Carbon, kg CO2/kg material 25
3.7
Embodied Energy, MJ/kg 190
60
Embodied Water, L/kg 930
390

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.4
13
Resilience: Unit (Modulus of Resilience), kJ/m3 140
150
Stiffness to Weight: Axial, points 13
6.9
Stiffness to Weight: Bending, points 62
18
Strength to Weight: Axial, points 23
11
Strength to Weight: Bending, points 34
13
Thermal Diffusivity, mm2/s 56
20
Thermal Shock Resistance, points 9.8
13

Alloy Composition


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Aluminum (Al), % 0
0 to 0.010
Antimony (Sb), % 0
0 to 0.050
Copper (Cu), % 0 to 0.030
87 to 89.5
Iron (Fe), % 0 to 0.010
0 to 0.1
Lead (Pb), % 0
0 to 0.25
Magnesium (Mg), % 91.8 to 95.1
0
Manganese (Mn), % 0 to 0.15
0 to 0.050
Nickel (Ni), % 0 to 0.0050
0 to 0.1
Phosphorus (P), % 0
0 to 1.0
Silicon (Si), % 0 to 0.010
0 to 0.010
Sulfur (S), % 0
0 to 0.050
Tin (Sn), % 0
10 to 11.5
Unspecified Rare Earths, % 2.5 to 4.0
0
Zinc (Zn), % 2.0 to 3.0
0 to 0.5
Zirconium (Zr), % 0.4 to 1.0
0
Residuals, % 0 to 0.010
0