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EN-MC21210 Magnesium vs. C86300 Bronze

EN-MC21210 magnesium belongs to the magnesium alloys classification, while C86300 bronze belongs to the copper alloys. There are 29 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-MC21210 magnesium and the bottom bar is C86300 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 48
250
Elastic (Young's, Tensile) Modulus, GPa 44
110
Elongation at Break, % 14
14
Poisson's Ratio 0.29
0.32
Shear Modulus, GPa 17
42
Tensile Strength: Ultimate (UTS), MPa 190
850
Tensile Strength: Yield (Proof), MPa 90
480

Thermal Properties

Latent Heat of Fusion, J/g 350
200
Maximum Temperature: Mechanical, °C 100
160
Melting Completion (Liquidus), °C 600
920
Melting Onset (Solidus), °C 570
890
Specific Heat Capacity, J/kg-K 1000
420
Thermal Conductivity, W/m-K 120
35
Thermal Expansion, µm/m-K 27
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 24
8.0
Electrical Conductivity: Equal Weight (Specific), % IACS 130
9.2

Otherwise Unclassified Properties

Base Metal Price, % relative 12
23
Density, g/cm3 1.6
7.8
Embodied Carbon, kg CO2/kg material 24
3.0
Embodied Energy, MJ/kg 160
51
Embodied Water, L/kg 980
360

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 22
100
Resilience: Unit (Modulus of Resilience), kJ/m3 92
1030
Stiffness to Weight: Axial, points 15
7.8
Stiffness to Weight: Bending, points 72
20
Strength to Weight: Axial, points 32
30
Strength to Weight: Bending, points 44
25
Thermal Diffusivity, mm2/s 76
11
Thermal Shock Resistance, points 11
28

Alloy Composition

Aluminum (Al), % 1.6 to 2.6
5.0 to 7.5
Copper (Cu), % 0 to 0.010
60 to 66
Iron (Fe), % 0 to 0.0050
2.0 to 4.0
Lead (Pb), % 0
0 to 0.2
Magnesium (Mg), % 96.3 to 98.3
0
Manganese (Mn), % 0.1 to 0.7
2.5 to 5.0
Nickel (Ni), % 0 to 0.0020
0 to 1.0
Silicon (Si), % 0 to 0.1
0
Tin (Sn), % 0
0 to 0.2
Zinc (Zn), % 0 to 0.2
22 to 28
Residuals, % 0
0 to 1.0