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CC754S Brass vs. 2618 Aluminum

CC754S brass belongs to the copper alloys classification, while 2618 aluminum belongs to the aluminum alloys. There are 29 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 CC754S brass and the bottom bar is 2618 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 90
120
Elastic (Young's, Tensile) Modulus, GPa 100
71
Elongation at Break, % 11
5.8
Poisson's Ratio 0.31
0.33
Shear Modulus, GPa 40
27
Tensile Strength: Ultimate (UTS), MPa 320
420
Tensile Strength: Yield (Proof), MPa 160
350

Thermal Properties

Latent Heat of Fusion, J/g 170
390
Maximum Temperature: Mechanical, °C 120
210
Melting Completion (Liquidus), °C 830
640
Melting Onset (Solidus), °C 780
550
Specific Heat Capacity, J/kg-K 390
880
Thermal Conductivity, W/m-K 95
160
Thermal Expansion, µm/m-K 21
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
37
Electrical Conductivity: Equal Weight (Specific), % IACS 30
110

Otherwise Unclassified Properties

Base Metal Price, % relative 23
11
Density, g/cm3 8.1
2.9
Embodied Carbon, kg CO2/kg material 2.8
8.3
Embodied Energy, MJ/kg 47
150
Embodied Water, L/kg 330
1150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 29
23
Resilience: Unit (Modulus of Resilience), kJ/m3 130
850
Stiffness to Weight: Axial, points 7.2
13
Stiffness to Weight: Bending, points 19
47
Strength to Weight: Axial, points 11
40
Strength to Weight: Bending, points 13
42
Thermal Diffusivity, mm2/s 31
62
Thermal Shock Resistance, points 10
19

Alloy Composition

Aluminum (Al), % 0 to 0.8
92.4 to 94.9
Copper (Cu), % 57 to 63
1.9 to 2.7
Iron (Fe), % 0 to 0.7
0.9 to 1.3
Lead (Pb), % 0.5 to 2.5
0
Magnesium (Mg), % 0
1.3 to 1.8
Manganese (Mn), % 0 to 0.5
0
Nickel (Ni), % 0 to 1.0
0.9 to 1.2
Phosphorus (P), % 0 to 0.020
0
Silicon (Si), % 0 to 0.3
0.1 to 0.25
Tin (Sn), % 0 to 1.0
0
Titanium (Ti), % 0
0.040 to 0.1
Zinc (Zn), % 30.2 to 42.5
0 to 0.1
Residuals, % 0
0 to 0.15