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EN-MC21310 Magnesium vs. C90700 Bronze

EN-MC21310 magnesium belongs to the magnesium alloys classification, while C90700 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-MC21310 magnesium and the bottom bar is C90700 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 60
90
Elastic (Young's, Tensile) Modulus, GPa 45
110
Elongation at Break, % 9.0
12
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 17
40
Tensile Strength: Ultimate (UTS), MPa 200
330
Tensile Strength: Yield (Proof), MPa 120
180

Thermal Properties

Latent Heat of Fusion, J/g 360
190
Maximum Temperature: Mechanical, °C 100
170
Melting Completion (Liquidus), °C 600
1000
Melting Onset (Solidus), °C 560
830
Specific Heat Capacity, J/kg-K 1000
370
Thermal Conductivity, W/m-K 89
71
Thermal Expansion, µm/m-K 26
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 22
10
Electrical Conductivity: Equal Weight (Specific), % IACS 120
10

Otherwise Unclassified Properties

Base Metal Price, % relative 12
35
Density, g/cm3 1.6
8.7
Embodied Carbon, kg CO2/kg material 23
3.7
Embodied Energy, MJ/kg 160
60
Embodied Water, L/kg 970
390

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 16
34
Resilience: Unit (Modulus of Resilience), kJ/m3 160
150
Stiffness to Weight: Axial, points 15
6.9
Stiffness to Weight: Bending, points 73
18
Strength to Weight: Axial, points 34
10
Strength to Weight: Bending, points 47
12
Thermal Diffusivity, mm2/s 55
22
Thermal Shock Resistance, points 12
12

Alloy Composition


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Aluminum (Al), % 1.8 to 2.6
0 to 0.0050
Antimony (Sb), % 0
0 to 0.2
Copper (Cu), % 0 to 0.010
88 to 90
Iron (Fe), % 0 to 0.0050
0 to 0.15
Lead (Pb), % 0
0 to 0.5
Magnesium (Mg), % 95.2 to 97.4
0
Manganese (Mn), % 0.1 to 0.7
0
Nickel (Ni), % 0 to 0.0020
0 to 0.5
Phosphorus (P), % 0
0 to 1.5
Silicon (Si), % 0.7 to 1.2
0 to 0.0050
Sulfur (S), % 0
0 to 0.050
Tin (Sn), % 0
10 to 12
Zinc (Zn), % 0 to 0.2
0 to 0.5
Residuals, % 0 to 0.010
0 to 0.6