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EN-MC65120 Magnesium vs. C92300 Bronze

EN-MC65120 magnesium belongs to the magnesium alloys classification, while C92300 bronze belongs to the copper alloys. There are 28 material properties with values for both materials. Properties with values for just one material (3, 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 C92300 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 45
110
Elongation at Break, % 3.1
19
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 17
40
Tensile Strength: Ultimate (UTS), MPa 160
300
Tensile Strength: Yield (Proof), MPa 110
140

Thermal Properties

Latent Heat of Fusion, J/g 330
190
Maximum Temperature: Mechanical, °C 180
170
Melting Completion (Liquidus), °C 590
1000
Melting Onset (Solidus), °C 520
850
Specific Heat Capacity, J/kg-K 970
370
Thermal Conductivity, W/m-K 100
75
Thermal Expansion, µm/m-K 26
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
12
Electrical Conductivity: Equal Weight (Specific), % IACS 120
12

Otherwise Unclassified Properties

Base Metal Price, % relative 25
33
Density, g/cm3 1.9
8.7
Embodied Carbon, kg CO2/kg material 25
3.4
Embodied Energy, MJ/kg 190
56
Embodied Water, L/kg 930
370

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.4
47
Resilience: Unit (Modulus of Resilience), kJ/m3 140
86
Stiffness to Weight: Axial, points 13
6.9
Stiffness to Weight: Bending, points 62
18
Strength to Weight: Axial, points 23
9.5
Strength to Weight: Bending, points 34
11
Thermal Diffusivity, mm2/s 56
23
Thermal Shock Resistance, points 9.8
11

Alloy Composition


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Aluminum (Al), % 0
0 to 0.0050
Antimony (Sb), % 0
0 to 0.25
Copper (Cu), % 0 to 0.030
85 to 89
Iron (Fe), % 0 to 0.010
0 to 0.25
Lead (Pb), % 0
0.3 to 1.0
Magnesium (Mg), % 91.8 to 95.1
0
Manganese (Mn), % 0 to 0.15
0
Nickel (Ni), % 0 to 0.0050
0 to 1.0
Phosphorus (P), % 0
0 to 1.5
Silicon (Si), % 0 to 0.010
0 to 0.0050
Sulfur (S), % 0
0 to 0.050
Tin (Sn), % 0
7.5 to 9.0
Unspecified Rare Earths, % 2.5 to 4.0
0
Zinc (Zn), % 2.0 to 3.0
2.5 to 5.0
Zirconium (Zr), % 0.4 to 1.0
0
Residuals, % 0 to 0.010
0 to 0.7