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ISO-WD43150 Magnesium vs. CC499K Bronze

ISO-WD43150 magnesium belongs to the magnesium alloys classification, while CC499K bronze belongs to the copper alloys. There are 28 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 ISO-WD43150 magnesium and the bottom bar is CC499K bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 45
110
Elongation at Break, % 2.8
13
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 18
41
Tensile Strength: Ultimate (UTS), MPa 250
260
Tensile Strength: Yield (Proof), MPa 150
120

Thermal Properties

Latent Heat of Fusion, J/g 350
190
Maximum Temperature: Mechanical, °C 95
170
Melting Completion (Liquidus), °C 610
1000
Melting Onset (Solidus), °C 590
920
Specific Heat Capacity, J/kg-K 990
370
Thermal Conductivity, W/m-K 140
73
Thermal Expansion, µm/m-K 27
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 31
12
Electrical Conductivity: Equal Weight (Specific), % IACS 170
12

Otherwise Unclassified Properties

Base Metal Price, % relative 12
32
Density, g/cm3 1.7
8.8
Embodied Carbon, kg CO2/kg material 24
3.1
Embodied Energy, MJ/kg 160
51
Embodied Water, L/kg 970
350

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.1
27
Resilience: Unit (Modulus of Resilience), kJ/m3 250
65
Stiffness to Weight: Axial, points 15
6.9
Stiffness to Weight: Bending, points 71
18
Strength to Weight: Axial, points 41
8.1
Strength to Weight: Bending, points 52
10
Thermal Diffusivity, mm2/s 81
22
Thermal Shock Resistance, points 14
9.2

Alloy Composition


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Aluminum (Al), % 0
0 to 0.010
Antimony (Sb), % 0
0 to 0.1
Arsenic (As), % 0
0 to 0.030
Bismuth (Bi), % 0
0 to 0.020
Cadmium (Cd), % 0
0 to 0.020
Chromium (Cr), % 0
0 to 0.020
Copper (Cu), % 0 to 0.050
84 to 88
Iron (Fe), % 0
0 to 0.3
Lead (Pb), % 0
0 to 3.0
Magnesium (Mg), % 97.5 to 98.8
0
Manganese (Mn), % 1.2 to 2.0
0
Nickel (Ni), % 0 to 0.010
0 to 0.6
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 0.1
0 to 0.010
Sulfur (S), % 0
0 to 0.040
Tin (Sn), % 0
4.0 to 6.0
Zinc (Zn), % 0
4.0 to 6.0
Residuals, % 0 to 0.3
0