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K1A Magnesium vs. C52400 Bronze

K1A magnesium belongs to the magnesium alloys classification, while C52400 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 K1A magnesium and the bottom bar is C52400 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 43
110
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 17
41
Tensile Strength: Ultimate (UTS), MPa 180
450 to 880

Thermal Properties

Latent Heat of Fusion, J/g 350
190
Maximum Temperature: Mechanical, °C 120
170
Melting Completion (Liquidus), °C 650
1000
Melting Onset (Solidus), °C 650
840
Specific Heat Capacity, J/kg-K 1000
370
Thermal Conductivity, W/m-K 120
50
Thermal Expansion, µm/m-K 27
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 30
11
Electrical Conductivity: Equal Weight (Specific), % IACS 170
11

Otherwise Unclassified Properties

Base Metal Price, % relative 13
35
Density, g/cm3 1.6
8.8
Embodied Carbon, kg CO2/kg material 24
3.6
Embodied Energy, MJ/kg 170
58
Embodied Water, L/kg 970
390

Common Calculations

Stiffness to Weight: Axial, points 15
6.9
Stiffness to Weight: Bending, points 73
18
Strength to Weight: Axial, points 31
14 to 28
Strength to Weight: Bending, points 43
15 to 23
Thermal Diffusivity, mm2/s 75
15
Thermal Shock Resistance, points 11
17 to 32

Alloy Composition


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Copper (Cu), % 0
87.8 to 91
Iron (Fe), % 0
0 to 0.1
Lead (Pb), % 0
0 to 0.050
Magnesium (Mg), % 98.7 to 99.6
0
Phosphorus (P), % 0
0.030 to 0.35
Tin (Sn), % 0
9.0 to 11
Zinc (Zn), % 0
0 to 0.2
Zirconium (Zr), % 0.4 to 1.0
0
Residuals, % 0 to 0.3
0 to 0.5