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CC752S Brass vs. 4104 Aluminum

CC752S brass belongs to the copper alloys classification, while 4104 aluminum belongs to the aluminum 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 CC752S brass and the bottom bar is 4104 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
71
Elongation at Break, % 8.4
2.4
Poisson's Ratio 0.31
0.33
Shear Modulus, GPa 40
27
Tensile Strength: Ultimate (UTS), MPa 350
110
Tensile Strength: Yield (Proof), MPa 190
60

Thermal Properties

Latent Heat of Fusion, J/g 170
540
Maximum Temperature: Mechanical, °C 130
160
Melting Completion (Liquidus), °C 840
600
Melting Onset (Solidus), °C 800
560
Specific Heat Capacity, J/kg-K 380
900
Thermal Conductivity, W/m-K 110
130
Thermal Expansion, µm/m-K 21
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
33
Electrical Conductivity: Equal Weight (Specific), % IACS 28
120

Otherwise Unclassified Properties

Base Metal Price, % relative 24
9.5
Density, g/cm3 8.1
2.6
Embodied Carbon, kg CO2/kg material 2.7
8.0
Embodied Energy, MJ/kg 46
150
Embodied Water, L/kg 330
1080

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 25
2.3
Resilience: Unit (Modulus of Resilience), kJ/m3 180
25
Stiffness to Weight: Axial, points 7.1
15
Stiffness to Weight: Bending, points 19
54
Strength to Weight: Axial, points 12
12
Strength to Weight: Bending, points 13
20
Thermal Diffusivity, mm2/s 35
58
Thermal Shock Resistance, points 12
5.1

Alloy Composition

Aluminum (Al), % 0.3 to 0.7
85.8 to 90
Antimony (Sb), % 0 to 0.14
0
Arsenic (As), % 0.040 to 0.14
0
Bismuth (Bi), % 0
0.020 to 0.2
Copper (Cu), % 61.5 to 64.5
0 to 0.25
Iron (Fe), % 0 to 0.3
0 to 0.8
Lead (Pb), % 1.5 to 2.2
0
Magnesium (Mg), % 0
1.0 to 2.0
Manganese (Mn), % 0 to 0.1
0 to 0.1
Nickel (Ni), % 0 to 0.2
0
Silicon (Si), % 0 to 0.020
9.0 to 10.5
Tin (Sn), % 0 to 0.3
0
Zinc (Zn), % 31.5 to 36.7
0 to 0.2
Residuals, % 0
0 to 0.15