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CC755S Brass vs. ISO-WD32260 Magnesium

CC755S brass belongs to the copper alloys classification, while ISO-WD32260 magnesium belongs to the magnesium 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 CC755S brass and the bottom bar is ISO-WD32260 magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
46
Elongation at Break, % 9.5
4.5 to 6.0
Poisson's Ratio 0.31
0.29
Shear Modulus, GPa 40
18
Tensile Strength: Ultimate (UTS), MPa 390
330 to 340
Tensile Strength: Yield (Proof), MPa 250
230 to 250

Thermal Properties

Latent Heat of Fusion, J/g 170
330
Maximum Temperature: Mechanical, °C 120
120
Melting Completion (Liquidus), °C 820
600
Melting Onset (Solidus), °C 780
520
Specific Heat Capacity, J/kg-K 390
970
Thermal Conductivity, W/m-K 120
110
Thermal Expansion, µm/m-K 21
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
28
Electrical Conductivity: Equal Weight (Specific), % IACS 30
140

Otherwise Unclassified Properties

Base Metal Price, % relative 23
13
Density, g/cm3 8.1
1.9
Embodied Carbon, kg CO2/kg material 2.7
23
Embodied Energy, MJ/kg 46
160
Embodied Water, L/kg 330
940

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 33
14 to 19
Resilience: Unit (Modulus of Resilience), kJ/m3 290
560 to 700
Stiffness to Weight: Axial, points 7.1
13
Stiffness to Weight: Bending, points 19
63
Strength to Weight: Axial, points 14
48 to 51
Strength to Weight: Bending, points 15
56 to 58
Thermal Diffusivity, mm2/s 38
63
Thermal Shock Resistance, points 13
19 to 20

Alloy Composition

Aluminum (Al), % 0.4 to 0.7
0
Copper (Cu), % 59.5 to 61
0
Iron (Fe), % 0.050 to 0.2
0
Lead (Pb), % 1.2 to 1.7
0
Magnesium (Mg), % 0
92.7 to 94.8
Manganese (Mn), % 0 to 0.050
0
Nickel (Ni), % 0 to 0.2
0
Silicon (Si), % 0 to 0.050
0
Tin (Sn), % 0 to 0.3
0
Zinc (Zn), % 35.8 to 38.9
4.8 to 6.2
Zirconium (Zr), % 0
0.45 to 0.8
Residuals, % 0
0 to 0.3