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EN-MC21230 Magnesium vs. C22600 Bronze

EN-MC21230 magnesium belongs to the magnesium alloys classification, while C22600 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-MC21230 magnesium and the bottom bar is C22600 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 45
110
Elongation at Break, % 10
2.5 to 33
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 18
42
Shear Strength, MPa 130
220 to 320
Tensile Strength: Ultimate (UTS), MPa 220
330 to 570
Tensile Strength: Yield (Proof), MPa 140
270 to 490

Thermal Properties

Latent Heat of Fusion, J/g 350
200
Maximum Temperature: Mechanical, °C 120
170
Melting Completion (Liquidus), °C 600
1040
Melting Onset (Solidus), °C 520
1000
Specific Heat Capacity, J/kg-K 1000
390
Thermal Conductivity, W/m-K 72
170
Thermal Expansion, µm/m-K 27
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 12
40
Electrical Conductivity: Equal Weight (Specific), % IACS 63
42

Otherwise Unclassified Properties

Base Metal Price, % relative 12
28
Density, g/cm3 1.7
8.7
Embodied Carbon, kg CO2/kg material 23
2.6
Embodied Energy, MJ/kg 160
42
Embodied Water, L/kg 990
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 19
14 to 100
Resilience: Unit (Modulus of Resilience), kJ/m3 200
330 to 1070
Stiffness to Weight: Axial, points 15
7.2
Stiffness to Weight: Bending, points 71
19
Strength to Weight: Axial, points 36
11 to 18
Strength to Weight: Bending, points 48
12 to 18
Thermal Diffusivity, mm2/s 43
52
Thermal Shock Resistance, points 13
11 to 19

Alloy Composition

Aluminum (Al), % 5.5 to 8.5
0
Copper (Cu), % 0 to 0.010
86 to 89
Iron (Fe), % 0 to 0.0050
0 to 0.050
Lead (Pb), % 0
0 to 0.050
Magnesium (Mg), % 90.5 to 94.4
0
Manganese (Mn), % 0.1 to 0.6
0
Nickel (Ni), % 0 to 0.0020
0
Silicon (Si), % 0 to 0.1
0
Zinc (Zn), % 0 to 0.3
10.7 to 14
Residuals, % 0 to 0.010
0 to 0.2