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EN-MC21210 Magnesium vs. C22000 Bronze

EN-MC21210 magnesium belongs to the magnesium alloys classification, while C22000 bronze belongs to the copper alloys. There are 29 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-MC21210 magnesium and the bottom bar is C22000 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 44
110
Elongation at Break, % 14
1.9 to 45
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 17
42
Shear Strength, MPa 110
200 to 300
Tensile Strength: Ultimate (UTS), MPa 190
260 to 520
Tensile Strength: Yield (Proof), MPa 90
69 to 500

Thermal Properties

Latent Heat of Fusion, J/g 350
200
Maximum Temperature: Mechanical, °C 100
180
Melting Completion (Liquidus), °C 600
1040
Melting Onset (Solidus), °C 570
1020
Specific Heat Capacity, J/kg-K 1000
390
Thermal Conductivity, W/m-K 120
190
Thermal Expansion, µm/m-K 27
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 24
44
Electrical Conductivity: Equal Weight (Specific), % IACS 130
45

Otherwise Unclassified Properties

Base Metal Price, % relative 12
29
Density, g/cm3 1.6
8.7
Embodied Carbon, kg CO2/kg material 24
2.6
Embodied Energy, MJ/kg 160
42
Embodied Water, L/kg 980
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 22
3.7 to 230
Resilience: Unit (Modulus of Resilience), kJ/m3 92
21 to 1110
Stiffness to Weight: Axial, points 15
7.2
Stiffness to Weight: Bending, points 72
18
Strength to Weight: Axial, points 32
8.1 to 17
Strength to Weight: Bending, points 44
10 to 17
Thermal Diffusivity, mm2/s 76
56
Thermal Shock Resistance, points 11
8.8 to 18

Alloy Composition


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Aluminum (Al), % 1.6 to 2.6
0
Copper (Cu), % 0 to 0.010
89 to 91
Iron (Fe), % 0 to 0.0050
0 to 0.050
Lead (Pb), % 0
0 to 0.050
Magnesium (Mg), % 96.3 to 98.3
0
Manganese (Mn), % 0.1 to 0.7
0
Nickel (Ni), % 0 to 0.0020
0
Silicon (Si), % 0 to 0.1
0
Zinc (Zn), % 0 to 0.2
8.7 to 11
Residuals, % 0 to 0.010
0 to 0.2