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EN-MC65120 Magnesium vs. C61400 Bronze

EN-MC65120 magnesium belongs to the magnesium alloys classification, while C61400 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-MC65120 magnesium and the bottom bar is C61400 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 45
110
Elongation at Break, % 3.1
34 to 40
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 17
43
Shear Strength, MPa 92
370 to 380
Tensile Strength: Ultimate (UTS), MPa 160
540 to 570
Tensile Strength: Yield (Proof), MPa 110
220 to 270

Thermal Properties

Latent Heat of Fusion, J/g 330
220
Maximum Temperature: Mechanical, °C 180
220
Melting Completion (Liquidus), °C 590
1050
Melting Onset (Solidus), °C 520
1040
Specific Heat Capacity, J/kg-K 970
420
Thermal Conductivity, W/m-K 100
67
Thermal Expansion, µm/m-K 26
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
14
Electrical Conductivity: Equal Weight (Specific), % IACS 120
15

Otherwise Unclassified Properties

Base Metal Price, % relative 25
28
Density, g/cm3 1.9
8.5
Embodied Carbon, kg CO2/kg material 25
3.0
Embodied Energy, MJ/kg 190
48
Embodied Water, L/kg 930
360

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.4
160 to 170
Resilience: Unit (Modulus of Resilience), kJ/m3 140
210 to 310
Stiffness to Weight: Axial, points 13
7.5
Stiffness to Weight: Bending, points 62
19
Strength to Weight: Axial, points 23
18 to 19
Strength to Weight: Bending, points 34
17 to 18
Thermal Diffusivity, mm2/s 56
19
Thermal Shock Resistance, points 9.8
18 to 20

Alloy Composition


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Aluminum (Al), % 0
6.0 to 8.0
Copper (Cu), % 0 to 0.030
86 to 92.5
Iron (Fe), % 0 to 0.010
1.5 to 3.5
Lead (Pb), % 0
0 to 0.010
Magnesium (Mg), % 91.8 to 95.1
0
Manganese (Mn), % 0 to 0.15
0 to 1.0
Nickel (Ni), % 0 to 0.0050
0
Phosphorus (P), % 0
0 to 0.015
Silicon (Si), % 0 to 0.010
0
Unspecified Rare Earths, % 2.5 to 4.0
0
Zinc (Zn), % 2.0 to 3.0
0 to 1.0
Zirconium (Zr), % 0.4 to 1.0
0
Residuals, % 0 to 0.010
0 to 0.5