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3103 Aluminum vs. CC750S Brass

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

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

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

Electrical Properties

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

Otherwise Unclassified Properties

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

Common Calculations

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

Alloy Composition

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