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240.0 Aluminum vs. C87800 Brass

240.0 aluminum belongs to the aluminum alloys classification, while C87800 brass belongs to the copper alloys. There are 28 material properties with values for both materials. Properties with values for just one material (2, 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 240.0 aluminum and the bottom bar is C87800 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 72
110
Elongation at Break, % 1.0
25
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 27
42
Tensile Strength: Ultimate (UTS), MPa 240
590
Tensile Strength: Yield (Proof), MPa 200
350

Thermal Properties

Latent Heat of Fusion, J/g 380
260
Maximum Temperature: Mechanical, °C 180
170
Melting Completion (Liquidus), °C 600
920
Melting Onset (Solidus), °C 520
820
Specific Heat Capacity, J/kg-K 860
410
Thermal Conductivity, W/m-K 96
28
Thermal Expansion, µm/m-K 22
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 23
6.7
Electrical Conductivity: Equal Weight (Specific), % IACS 65
7.3

Otherwise Unclassified Properties

Base Metal Price, % relative 12
27
Density, g/cm3 3.2
8.3
Embodied Carbon, kg CO2/kg material 8.7
2.7
Embodied Energy, MJ/kg 150
44
Embodied Water, L/kg 1100
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.2
130
Resilience: Unit (Modulus of Resilience), kJ/m3 280
540
Stiffness to Weight: Axial, points 12
7.4
Stiffness to Weight: Bending, points 43
19
Strength to Weight: Axial, points 20
20
Strength to Weight: Bending, points 26
19
Thermal Diffusivity, mm2/s 35
8.3
Thermal Shock Resistance, points 11
21

Alloy Composition

Aluminum (Al), % 81.7 to 86.9
0 to 0.15
Antimony (Sb), % 0
0 to 0.050
Arsenic (As), % 0
0 to 0.050
Copper (Cu), % 7.0 to 9.0
80 to 84.2
Iron (Fe), % 0 to 0.5
0 to 0.15
Lead (Pb), % 0
0 to 0.15
Magnesium (Mg), % 5.5 to 6.5
0 to 0.010
Manganese (Mn), % 0.3 to 0.7
0 to 0.15
Nickel (Ni), % 0.3 to 0.7
0 to 0.2
Phosphorus (P), % 0
0 to 0.010
Silicon (Si), % 0 to 0.5
3.8 to 4.2
Sulfur (S), % 0
0 to 0.050
Tin (Sn), % 0
0 to 0.25
Titanium (Ti), % 0 to 0.2
0
Zinc (Zn), % 0 to 0.1
12 to 16
Residuals, % 0
0 to 0.5