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CC752S Brass vs. 3102 Aluminum

CC752S brass belongs to the copper alloys classification, while 3102 aluminum belongs to the aluminum alloys. There are 28 material properties with values for both materials. Properties with values for just one material (3, 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 3102 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
69
Elongation at Break, % 8.4
23 to 28
Poisson's Ratio 0.31
0.33
Shear Modulus, GPa 40
26
Tensile Strength: Ultimate (UTS), MPa 350
92 to 100
Tensile Strength: Yield (Proof), MPa 190
28 to 34

Thermal Properties

Latent Heat of Fusion, J/g 170
400
Maximum Temperature: Mechanical, °C 130
180
Melting Completion (Liquidus), °C 840
640
Melting Onset (Solidus), °C 800
640
Specific Heat Capacity, J/kg-K 380
900
Thermal Conductivity, W/m-K 110
230
Thermal Expansion, µm/m-K 21
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
56
Electrical Conductivity: Equal Weight (Specific), % IACS 28
190

Otherwise Unclassified Properties

Base Metal Price, % relative 24
9.0
Density, g/cm3 8.1
2.7
Embodied Carbon, kg CO2/kg material 2.7
8.2
Embodied Energy, MJ/kg 46
150
Embodied Water, L/kg 330
1190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 25
16 to 22
Resilience: Unit (Modulus of Resilience), kJ/m3 180
5.8 to 8.3
Stiffness to Weight: Axial, points 7.1
14
Stiffness to Weight: Bending, points 19
50
Strength to Weight: Axial, points 12
9.4 to 10
Strength to Weight: Bending, points 13
17 to 18
Thermal Diffusivity, mm2/s 35
92
Thermal Shock Resistance, points 12
4.1 to 4.4

Alloy Composition

Aluminum (Al), % 0.3 to 0.7
97.9 to 99.95
Antimony (Sb), % 0 to 0.14
0
Arsenic (As), % 0.040 to 0.14
0
Copper (Cu), % 61.5 to 64.5
0 to 0.1
Iron (Fe), % 0 to 0.3
0 to 0.7
Lead (Pb), % 1.5 to 2.2
0
Manganese (Mn), % 0 to 0.1
0.050 to 0.4
Nickel (Ni), % 0 to 0.2
0
Silicon (Si), % 0 to 0.020
0 to 0.4
Tin (Sn), % 0 to 0.3
0
Titanium (Ti), % 0
0 to 0.1
Zinc (Zn), % 31.5 to 36.7
0 to 0.3
Residuals, % 0
0 to 0.15