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C34500 Brass vs. 240.0 Aluminum

C34500 brass belongs to the copper alloys classification, while 240.0 aluminum belongs to the aluminum 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 C34500 brass and the bottom bar is 240.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
72
Elongation at Break, % 12 to 28
1.0
Poisson's Ratio 0.31
0.33
Shear Modulus, GPa 40
27
Tensile Strength: Ultimate (UTS), MPa 340 to 430
240
Tensile Strength: Yield (Proof), MPa 120 to 180
200

Thermal Properties

Latent Heat of Fusion, J/g 170
380
Maximum Temperature: Mechanical, °C 120
180
Melting Completion (Liquidus), °C 910
600
Melting Onset (Solidus), °C 890
520
Specific Heat Capacity, J/kg-K 380
860
Thermal Conductivity, W/m-K 120
96
Thermal Expansion, µm/m-K 21
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 26
23
Electrical Conductivity: Equal Weight (Specific), % IACS 29
65

Otherwise Unclassified Properties

Base Metal Price, % relative 24
12
Density, g/cm3 8.2
3.2
Embodied Carbon, kg CO2/kg material 2.6
8.7
Embodied Energy, MJ/kg 45
150
Embodied Water, L/kg 320
1100

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 42 to 75
2.2
Resilience: Unit (Modulus of Resilience), kJ/m3 69 to 160
280
Stiffness to Weight: Axial, points 7.1
12
Stiffness to Weight: Bending, points 19
43
Strength to Weight: Axial, points 12 to 15
20
Strength to Weight: Bending, points 13 to 16
26
Thermal Diffusivity, mm2/s 37
35
Thermal Shock Resistance, points 11 to 14
11

Alloy Composition

Aluminum (Al), % 0
81.7 to 86.9
Copper (Cu), % 62 to 65
7.0 to 9.0
Iron (Fe), % 0 to 0.15
0 to 0.5
Lead (Pb), % 1.5 to 2.5
0
Magnesium (Mg), % 0
5.5 to 6.5
Manganese (Mn), % 0
0.3 to 0.7
Nickel (Ni), % 0
0.3 to 0.7
Silicon (Si), % 0
0 to 0.5
Titanium (Ti), % 0
0 to 0.2
Zinc (Zn), % 32 to 36.5
0 to 0.1
Residuals, % 0
0 to 0.15