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CC750S Brass vs. 3103 Aluminum

CC750S brass belongs to the copper alloys classification, while 3103 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 CC750S brass and the bottom bar is 3103 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 54
27 to 62
Elastic (Young's, Tensile) Modulus, GPa 110
70
Elongation at Break, % 13
1.1 to 28
Poisson's Ratio 0.31
0.33
Shear Modulus, GPa 40
26
Tensile Strength: Ultimate (UTS), MPa 200
100 to 220
Tensile Strength: Yield (Proof), MPa 80
39 to 200

Thermal Properties

Latent Heat of Fusion, J/g 170
400
Maximum Temperature: Mechanical, °C 130
190
Melting Completion (Liquidus), °C 860
660
Melting Onset (Solidus), °C 810
640
Specific Heat Capacity, J/kg-K 380
900
Thermal Conductivity, W/m-K 110
160
Thermal Expansion, µm/m-K 20
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 24
42
Electrical Conductivity: Equal Weight (Specific), % IACS 26
140

Otherwise Unclassified Properties

Base Metal Price, % relative 25
9.5
Density, g/cm3 8.2
2.8
Embodied Carbon, kg CO2/kg material 2.8
8.2
Embodied Energy, MJ/kg 46
150
Embodied Water, L/kg 330
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 22
2.4 to 24
Resilience: Unit (Modulus of Resilience), kJ/m3 30
11 to 280
Stiffness to Weight: Axial, points 7.1
14
Stiffness to Weight: Bending, points 19
50
Strength to Weight: Axial, points 6.8
10 to 22
Strength to Weight: Bending, points 9.3
18 to 30
Thermal Diffusivity, mm2/s 35
64
Thermal Shock Resistance, points 6.7
4.6 to 9.9

Alloy Composition

Aluminum (Al), % 0 to 0.1
96.3 to 99.1
Chromium (Cr), % 0
0 to 0.1
Copper (Cu), % 62 to 67
0 to 0.1
Iron (Fe), % 0 to 0.8
0 to 0.7
Lead (Pb), % 1.0 to 3.0
0
Magnesium (Mg), % 0
0 to 0.3
Manganese (Mn), % 0 to 0.2
0.9 to 1.5
Nickel (Ni), % 0 to 1.0
0
Phosphorus (P), % 0 to 0.050
0
Silicon (Si), % 0 to 0.050
0 to 0.5
Tin (Sn), % 0 to 1.5
0
Titanium (Ti), % 0
0 to 0.1
Zinc (Zn), % 26.3 to 36
0 to 0.2
Zirconium (Zr), % 0
0 to 0.1
Residuals, % 0
0 to 0.15