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EN-MC21310 Magnesium vs. CC497K Bronze

EN-MC21310 magnesium belongs to the magnesium alloys classification, while CC497K 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-MC21310 magnesium and the bottom bar is CC497K bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 60
55
Elastic (Young's, Tensile) Modulus, GPa 45
93
Elongation at Break, % 9.0
6.7
Poisson's Ratio 0.29
0.36
Shear Modulus, GPa 17
34
Tensile Strength: Ultimate (UTS), MPa 200
190
Tensile Strength: Yield (Proof), MPa 120
91

Thermal Properties

Latent Heat of Fusion, J/g 360
160
Maximum Temperature: Mechanical, °C 100
130
Melting Completion (Liquidus), °C 600
870
Melting Onset (Solidus), °C 560
800
Specific Heat Capacity, J/kg-K 1000
330
Thermal Conductivity, W/m-K 89
53
Thermal Expansion, µm/m-K 26
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 22
9.0
Electrical Conductivity: Equal Weight (Specific), % IACS 120
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 12
29
Density, g/cm3 1.6
9.3
Embodied Carbon, kg CO2/kg material 23
3.0
Embodied Energy, MJ/kg 160
48
Embodied Water, L/kg 970
370

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 16
10
Resilience: Unit (Modulus of Resilience), kJ/m3 160
45
Stiffness to Weight: Axial, points 15
5.5
Stiffness to Weight: Bending, points 73
16
Strength to Weight: Axial, points 34
5.6
Strength to Weight: Bending, points 47
7.8
Thermal Diffusivity, mm2/s 55
17
Thermal Shock Resistance, points 12
7.2

Alloy Composition


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Aluminum (Al), % 1.8 to 2.6
0 to 0.010
Antimony (Sb), % 0
0 to 0.75
Copper (Cu), % 0 to 0.010
67.5 to 77.5
Iron (Fe), % 0 to 0.0050
0 to 0.25
Lead (Pb), % 0
18 to 23
Magnesium (Mg), % 95.2 to 97.4
0
Manganese (Mn), % 0.1 to 0.7
0 to 0.2
Nickel (Ni), % 0 to 0.0020
0.5 to 2.5
Phosphorus (P), % 0
0 to 0.1
Silicon (Si), % 0.7 to 1.2
0 to 0.010
Sulfur (S), % 0
0 to 0.1
Tin (Sn), % 0
4.0 to 6.0
Zinc (Zn), % 0 to 0.2
0 to 2.0
Residuals, % 0 to 0.010
0