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ISO-WD32250 Magnesium vs. C52100 Bronze

ISO-WD32250 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 (8, 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 ISO-WD32250 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 17
41
Tensile Strength: Ultimate (UTS), MPa 310 to 330
380 to 800

Thermal Properties

Latent Heat of Fusion, J/g 340
200
Maximum Temperature: Mechanical, °C 120
180
Melting Completion (Liquidus), °C 600
1030
Melting Onset (Solidus), °C 550
880
Specific Heat Capacity, J/kg-K 980
370
Thermal Conductivity, W/m-K 130
62
Thermal Expansion, µm/m-K 26
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
13
Electrical Conductivity: Equal Weight (Specific), % IACS 130
13

Otherwise Unclassified Properties

Base Metal Price, % relative 13
34
Density, g/cm3 1.8
8.8
Embodied Carbon, kg CO2/kg material 24
3.4
Embodied Energy, MJ/kg 160
55
Embodied Water, L/kg 950
370

Common Calculations

Stiffness to Weight: Axial, points 14
7.0
Stiffness to Weight: Bending, points 67
18
Strength to Weight: Axial, points 49 to 51
12 to 25
Strength to Weight: Bending, points 58 to 60
13 to 22
Thermal Diffusivity, mm2/s 72
19
Thermal Shock Resistance, points 19 to 20
14 to 28

Alloy Composition

Copper (Cu), % 0
89.8 to 93
Iron (Fe), % 0
0 to 0.1
Lead (Pb), % 0
0 to 0.050
Magnesium (Mg), % 94.9 to 97.1
0
Phosphorus (P), % 0
0.030 to 0.35
Tin (Sn), % 0
7.0 to 9.0
Zinc (Zn), % 2.5 to 4.0
0 to 0.2
Zirconium (Zr), % 0.45 to 0.8
0
Residuals, % 0
0 to 0.5