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240.0 Aluminum vs. C99400 Brass

240.0 aluminum belongs to the aluminum alloys classification, while C99400 brass belongs to the copper alloys. There are 24 material properties with values for both materials. Properties with values for just one material (5, 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 C99400 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 72
120
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 27
44
Tensile Strength: Ultimate (UTS), MPa 240
460 to 550
Tensile Strength: Yield (Proof), MPa 200
230 to 370

Thermal Properties

Latent Heat of Fusion, J/g 380
230
Maximum Temperature: Mechanical, °C 180
200
Melting Completion (Liquidus), °C 600
1070
Melting Onset (Solidus), °C 520
1020
Specific Heat Capacity, J/kg-K 860
400
Thermal Expansion, µm/m-K 22
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 23
17
Electrical Conductivity: Equal Weight (Specific), % IACS 65
17

Otherwise Unclassified Properties

Base Metal Price, % relative 12
30
Density, g/cm3 3.2
8.7
Embodied Carbon, kg CO2/kg material 8.7
2.8
Embodied Energy, MJ/kg 150
45
Embodied Water, L/kg 1100
310

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 280
230 to 590
Stiffness to Weight: Axial, points 12
7.5
Stiffness to Weight: Bending, points 43
19
Strength to Weight: Axial, points 20
15 to 17
Strength to Weight: Bending, points 26
15 to 17
Thermal Shock Resistance, points 11
16 to 19

Alloy Composition

Aluminum (Al), % 81.7 to 86.9
0.5 to 2.0
Copper (Cu), % 7.0 to 9.0
83.5 to 96.5
Iron (Fe), % 0 to 0.5
1.0 to 3.0
Lead (Pb), % 0
0 to 0.25
Magnesium (Mg), % 5.5 to 6.5
0
Manganese (Mn), % 0.3 to 0.7
0 to 0.5
Nickel (Ni), % 0.3 to 0.7
1.0 to 3.5
Silicon (Si), % 0 to 0.5
0.5 to 2.0
Titanium (Ti), % 0 to 0.2
0
Zinc (Zn), % 0 to 0.1
0.5 to 5.0
Residuals, % 0
0 to 0.3