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EN-MC21210 Magnesium vs. C95520 Bronze

EN-MC21210 magnesium belongs to the magnesium alloys classification, while C95520 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-MC21210 magnesium and the bottom bar is C95520 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 48
280
Elastic (Young's, Tensile) Modulus, GPa 44
120
Elongation at Break, % 14
2.6
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 17
44
Tensile Strength: Ultimate (UTS), MPa 190
970
Tensile Strength: Yield (Proof), MPa 90
530

Thermal Properties

Latent Heat of Fusion, J/g 350
240
Maximum Temperature: Mechanical, °C 100
240
Melting Completion (Liquidus), °C 600
1070
Melting Onset (Solidus), °C 570
1020
Specific Heat Capacity, J/kg-K 1000
450
Thermal Conductivity, W/m-K 120
40
Thermal Expansion, µm/m-K 27
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 24
11
Electrical Conductivity: Equal Weight (Specific), % IACS 130
12

Otherwise Unclassified Properties

Base Metal Price, % relative 12
29
Density, g/cm3 1.6
8.2
Embodied Carbon, kg CO2/kg material 24
3.6
Embodied Energy, MJ/kg 160
58
Embodied Water, L/kg 980
390

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 22
21
Resilience: Unit (Modulus of Resilience), kJ/m3 92
1210
Stiffness to Weight: Axial, points 15
8.0
Stiffness to Weight: Bending, points 72
20
Strength to Weight: Axial, points 32
33
Strength to Weight: Bending, points 44
27
Thermal Diffusivity, mm2/s 76
11
Thermal Shock Resistance, points 11
33

Alloy Composition


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Aluminum (Al), % 1.6 to 2.6
10.5 to 11.5
Chromium (Cr), % 0
0 to 0.050
Cobalt (Co), % 0
0 to 0.2
Copper (Cu), % 0 to 0.010
74.5 to 81.3
Iron (Fe), % 0 to 0.0050
4.0 to 5.5
Lead (Pb), % 0
0 to 0.030
Magnesium (Mg), % 96.3 to 98.3
0
Manganese (Mn), % 0.1 to 0.7
0 to 1.5
Nickel (Ni), % 0 to 0.0020
4.2 to 6.0
Silicon (Si), % 0 to 0.1
0 to 0.15
Tin (Sn), % 0
0 to 0.25
Zinc (Zn), % 0 to 0.2
0 to 0.3
Residuals, % 0 to 0.010
0 to 0.5