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EN-MC21230 Magnesium vs. C22000 Bronze

EN-MC21230 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-MC21230 magnesium and the bottom bar is C22000 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 45
110
Elongation at Break, % 10
1.9 to 45
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 18
42
Shear Strength, MPa 130
200 to 300
Tensile Strength: Ultimate (UTS), MPa 220
260 to 520
Tensile Strength: Yield (Proof), MPa 140
69 to 500

Thermal Properties

Latent Heat of Fusion, J/g 350
200
Maximum Temperature: Mechanical, °C 120
180
Melting Completion (Liquidus), °C 600
1040
Melting Onset (Solidus), °C 520
1020
Specific Heat Capacity, J/kg-K 1000
390
Thermal Conductivity, W/m-K 72
190
Thermal Expansion, µm/m-K 27
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 12
44
Electrical Conductivity: Equal Weight (Specific), % IACS 63
45

Otherwise Unclassified Properties

Base Metal Price, % relative 12
29
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
3.7 to 230
Resilience: Unit (Modulus of Resilience), kJ/m3 200
21 to 1110
Stiffness to Weight: Axial, points 15
7.2
Stiffness to Weight: Bending, points 71
18
Strength to Weight: Axial, points 36
8.1 to 17
Strength to Weight: Bending, points 48
10 to 17
Thermal Diffusivity, mm2/s 43
56
Thermal Shock Resistance, points 13
8.8 to 18

Alloy Composition

Aluminum (Al), % 5.5 to 8.5
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), % 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
8.7 to 11
Residuals, % 0 to 0.010
0 to 0.2