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4343 Aluminum vs. CC760S Brass

4343 aluminum belongs to the aluminum alloys classification, while CC760S brass belongs to the copper alloys. There are 28 material properties with values for both materials. Properties with values for just one material (4, 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 4343 aluminum and the bottom bar is CC760S brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
110
Elongation at Break, % 4.4
22
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 27
42
Tensile Strength: Ultimate (UTS), MPa 110
180
Tensile Strength: Yield (Proof), MPa 62
80

Thermal Properties

Latent Heat of Fusion, J/g 510
190
Maximum Temperature: Mechanical, °C 160
170
Melting Completion (Liquidus), °C 620
1000
Melting Onset (Solidus), °C 580
940
Specific Heat Capacity, J/kg-K 900
390
Thermal Conductivity, W/m-K 180
150
Thermal Expansion, µm/m-K 22
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 44
38
Electrical Conductivity: Equal Weight (Specific), % IACS 150
40

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
28
Density, g/cm3 2.6
8.6
Embodied Carbon, kg CO2/kg material 7.9
2.6
Embodied Energy, MJ/kg 150
43
Embodied Water, L/kg 1100
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.1
33
Resilience: Unit (Modulus of Resilience), kJ/m3 27
29
Stiffness to Weight: Axial, points 15
7.2
Stiffness to Weight: Bending, points 53
19
Strength to Weight: Axial, points 12
5.8
Strength to Weight: Bending, points 20
8.2
Thermal Diffusivity, mm2/s 77
45
Thermal Shock Resistance, points 5.2
6.2

Alloy Composition

Aluminum (Al), % 90.3 to 93.2
0 to 0.010
Arsenic (As), % 0
0.050 to 0.15
Copper (Cu), % 0 to 0.25
83 to 88
Iron (Fe), % 0 to 0.8
0 to 0.15
Lead (Pb), % 0
0 to 0.5
Manganese (Mn), % 0 to 0.1
0 to 0.1
Nickel (Ni), % 0
0 to 0.1
Silicon (Si), % 6.8 to 8.2
0 to 0.020
Tin (Sn), % 0
0 to 0.3
Zinc (Zn), % 0 to 0.2
10.7 to 17
Residuals, % 0 to 0.15
0