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240.0 Aluminum vs. C85800 Brass

240.0 aluminum belongs to the aluminum alloys classification, while C85800 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 C85800 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 72
100
Elongation at Break, % 1.0
15
Poisson's Ratio 0.33
0.31
Shear Modulus, GPa 27
40
Tensile Strength: Ultimate (UTS), MPa 240
380
Tensile Strength: Yield (Proof), MPa 200
210

Thermal Properties

Latent Heat of Fusion, J/g 380
170
Maximum Temperature: Mechanical, °C 180
120
Melting Completion (Liquidus), °C 600
900
Melting Onset (Solidus), °C 520
870
Specific Heat Capacity, J/kg-K 860
380
Thermal Conductivity, W/m-K 96
84
Thermal Expansion, µm/m-K 22
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 23
20
Electrical Conductivity: Equal Weight (Specific), % IACS 65
22

Otherwise Unclassified Properties

Base Metal Price, % relative 12
24
Density, g/cm3 3.2
8.0
Embodied Carbon, kg CO2/kg material 8.7
2.8
Embodied Energy, MJ/kg 150
47
Embodied Water, L/kg 1100
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.2
48
Resilience: Unit (Modulus of Resilience), kJ/m3 280
210
Stiffness to Weight: Axial, points 12
7.2
Stiffness to Weight: Bending, points 43
20
Strength to Weight: Axial, points 20
13
Strength to Weight: Bending, points 26
15
Thermal Diffusivity, mm2/s 35
27
Thermal Shock Resistance, points 11
13

Alloy Composition

Aluminum (Al), % 81.7 to 86.9
0 to 0.55
Antimony (Sb), % 0
0 to 0.050
Arsenic (As), % 0
0 to 0.050
Copper (Cu), % 7.0 to 9.0
57 to 69
Iron (Fe), % 0 to 0.5
0 to 0.5
Lead (Pb), % 0
0 to 1.5
Magnesium (Mg), % 5.5 to 6.5
0
Manganese (Mn), % 0.3 to 0.7
0 to 0.25
Nickel (Ni), % 0.3 to 0.7
0 to 0.5
Phosphorus (P), % 0
0 to 0.010
Silicon (Si), % 0 to 0.5
0 to 0.25
Sulfur (S), % 0
0 to 0.050
Tin (Sn), % 0
0 to 1.5
Titanium (Ti), % 0 to 0.2
0
Zinc (Zn), % 0 to 0.1
31 to 41
Residuals, % 0
0 to 1.3