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EN-MC21230 Magnesium vs. C66100 Bronze

EN-MC21230 magnesium belongs to the magnesium alloys classification, while C66100 bronze belongs to the copper alloys. There are 27 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 C66100 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 45
120
Elongation at Break, % 10
8.0 to 40
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 18
43
Shear Strength, MPa 130
280 to 460
Tensile Strength: Ultimate (UTS), MPa 220
410 to 790
Tensile Strength: Yield (Proof), MPa 140
120 to 430

Thermal Properties

Latent Heat of Fusion, J/g 350
260
Maximum Temperature: Mechanical, °C 120
200
Melting Completion (Liquidus), °C 600
1050
Melting Onset (Solidus), °C 520
1000
Specific Heat Capacity, J/kg-K 1000
400
Thermal Conductivity, W/m-K 72
34
Thermal Expansion, µm/m-K 27
17

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
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 19
53 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 200
60 to 790
Stiffness to Weight: Axial, points 15
7.4
Stiffness to Weight: Bending, points 71
19
Strength to Weight: Axial, points 36
13 to 25
Strength to Weight: Bending, points 48
14 to 22
Thermal Diffusivity, mm2/s 43
9.7
Thermal Shock Resistance, points 13
15 to 29

Alloy Composition

Aluminum (Al), % 5.5 to 8.5
0
Copper (Cu), % 0 to 0.010
92 to 97
Iron (Fe), % 0 to 0.0050
0 to 0.25
Lead (Pb), % 0
0.2 to 0.8
Magnesium (Mg), % 90.5 to 94.4
0
Manganese (Mn), % 0.1 to 0.6
0 to 1.5
Nickel (Ni), % 0 to 0.0020
0
Silicon (Si), % 0 to 0.1
2.8 to 3.5
Zinc (Zn), % 0 to 0.3
0 to 1.5
Residuals, % 0 to 0.010
0 to 0.5