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EN-MC65120 Magnesium vs. C51900 Bronze

EN-MC65120 magnesium belongs to the magnesium alloys classification, while C51900 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-MC65120 magnesium and the bottom bar is C51900 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 45
110
Elongation at Break, % 3.1
14 to 29
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 17
42
Shear Strength, MPa 92
320 to 370
Tensile Strength: Ultimate (UTS), MPa 160
380 to 620
Tensile Strength: Yield (Proof), MPa 110
390 to 570

Thermal Properties

Latent Heat of Fusion, J/g 330
200
Maximum Temperature: Mechanical, °C 180
180
Melting Completion (Liquidus), °C 590
1040
Melting Onset (Solidus), °C 520
930
Specific Heat Capacity, J/kg-K 970
380
Thermal Conductivity, W/m-K 100
66
Thermal Expansion, µm/m-K 26
18

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 25
33
Density, g/cm3 1.9
8.8
Embodied Carbon, kg CO2/kg material 25
3.2
Embodied Energy, MJ/kg 190
51
Embodied Water, L/kg 930
360

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.4
55 to 180
Resilience: Unit (Modulus of Resilience), kJ/m3 140
680 to 1450
Stiffness to Weight: Axial, points 13
7.0
Stiffness to Weight: Bending, points 62
18
Strength to Weight: Axial, points 23
12 to 19
Strength to Weight: Bending, points 34
13 to 18
Thermal Diffusivity, mm2/s 56
20
Thermal Shock Resistance, points 9.8
14 to 22

Alloy Composition


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Copper (Cu), % 0 to 0.030
91.7 to 95
Iron (Fe), % 0 to 0.010
0 to 0.1
Lead (Pb), % 0
0 to 0.050
Magnesium (Mg), % 91.8 to 95.1
0
Manganese (Mn), % 0 to 0.15
0
Nickel (Ni), % 0 to 0.0050
0
Phosphorus (P), % 0
0.030 to 0.35
Silicon (Si), % 0 to 0.010
0
Tin (Sn), % 0
5.0 to 7.0
Unspecified Rare Earths, % 2.5 to 4.0
0
Zinc (Zn), % 2.0 to 3.0
0 to 0.3
Zirconium (Zr), % 0.4 to 1.0
0
Residuals, % 0 to 0.010
0 to 0.5