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EN-MC21230 Magnesium vs. C52100 Bronze

EN-MC21230 magnesium belongs to the magnesium alloys classification, while C52100 bronze belongs to the copper alloys. There are 24 material properties with values for both materials. Properties with values for just one material (9, 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-MC21230 magnesium and the bottom bar is C52100 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 45
110
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 18
41
Tensile Strength: Ultimate (UTS), MPa 220
380 to 800

Thermal Properties

Latent Heat of Fusion, J/g 350
200
Maximum Temperature: Mechanical, °C 120
180
Melting Completion (Liquidus), °C 600
1030
Melting Onset (Solidus), °C 520
880
Specific Heat Capacity, J/kg-K 1000
370
Thermal Conductivity, W/m-K 72
62
Thermal Expansion, µm/m-K 27
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 12
13
Electrical Conductivity: Equal Weight (Specific), % IACS 63
13

Otherwise Unclassified Properties

Base Metal Price, % relative 12
34
Density, g/cm3 1.7
8.8
Embodied Carbon, kg CO2/kg material 23
3.4
Embodied Energy, MJ/kg 160
55
Embodied Water, L/kg 990
370

Common Calculations

Stiffness to Weight: Axial, points 15
7.0
Stiffness to Weight: Bending, points 71
18
Strength to Weight: Axial, points 36
12 to 25
Strength to Weight: Bending, points 48
13 to 22
Thermal Diffusivity, mm2/s 43
19
Thermal Shock Resistance, points 13
14 to 28

Alloy Composition

Aluminum (Al), % 5.5 to 8.5
0
Copper (Cu), % 0 to 0.010
89.8 to 93
Iron (Fe), % 0 to 0.0050
0 to 0.1
Lead (Pb), % 0
0 to 0.050
Magnesium (Mg), % 90.5 to 94.4
0
Manganese (Mn), % 0.1 to 0.6
0
Nickel (Ni), % 0 to 0.0020
0
Phosphorus (P), % 0
0.030 to 0.35
Silicon (Si), % 0 to 0.1
0
Tin (Sn), % 0
7.0 to 9.0
Zinc (Zn), % 0 to 0.3
0 to 0.2
Residuals, % 0 to 0.010
0 to 0.5