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ISO-WD43150 Magnesium vs. C66200 Brass

ISO-WD43150 magnesium belongs to the magnesium alloys classification, while C66200 brass belongs to the copper alloys. There are 29 material properties with values for both materials. Properties with values for just one material (1, 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 C66200 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 45
110
Elongation at Break, % 2.8
8.0 to 15
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 18
42
Shear Strength, MPa 140
270 to 300
Tensile Strength: Ultimate (UTS), MPa 250
450 to 520
Tensile Strength: Yield (Proof), MPa 150
410 to 480

Thermal Properties

Latent Heat of Fusion, J/g 350
200
Maximum Temperature: Mechanical, °C 95
180
Melting Completion (Liquidus), °C 610
1070
Melting Onset (Solidus), °C 590
1030
Specific Heat Capacity, J/kg-K 990
390
Thermal Conductivity, W/m-K 140
150
Thermal Expansion, µm/m-K 27
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 31
35
Electrical Conductivity: Equal Weight (Specific), % IACS 170
36

Otherwise Unclassified Properties

Base Metal Price, % relative 12
29
Density, g/cm3 1.7
8.7
Embodied Carbon, kg CO2/kg material 24
2.7
Embodied Energy, MJ/kg 160
43
Embodied Water, L/kg 970
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.1
40 to 66
Resilience: Unit (Modulus of Resilience), kJ/m3 250
760 to 1030
Stiffness to Weight: Axial, points 15
7.2
Stiffness to Weight: Bending, points 71
19
Strength to Weight: Axial, points 41
14 to 17
Strength to Weight: Bending, points 52
15 to 16
Thermal Diffusivity, mm2/s 81
45
Thermal Shock Resistance, points 14
16 to 18

Alloy Composition

Copper (Cu), % 0 to 0.050
86.6 to 91
Iron (Fe), % 0
0 to 0.050
Lead (Pb), % 0
0 to 0.050
Magnesium (Mg), % 97.5 to 98.8
0
Manganese (Mn), % 1.2 to 2.0
0
Nickel (Ni), % 0 to 0.010
0.3 to 1.0
Phosphorus (P), % 0
0.050 to 0.2
Silicon (Si), % 0 to 0.1
0
Tin (Sn), % 0
0.2 to 0.7
Zinc (Zn), % 0
6.5 to 12.9
Residuals, % 0
0 to 0.5