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CC752S Brass vs. 7003 Aluminum

CC752S brass belongs to the copper alloys classification, while 7003 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 7003 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
70
Elongation at Break, % 8.4
11
Poisson's Ratio 0.31
0.32
Shear Modulus, GPa 40
26
Tensile Strength: Ultimate (UTS), MPa 350
350 to 390
Tensile Strength: Yield (Proof), MPa 190
300 to 310

Thermal Properties

Latent Heat of Fusion, J/g 170
380
Maximum Temperature: Mechanical, °C 130
200
Melting Completion (Liquidus), °C 840
630
Melting Onset (Solidus), °C 800
510
Specific Heat Capacity, J/kg-K 380
870
Thermal Conductivity, W/m-K 110
150
Thermal Expansion, µm/m-K 21
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
36
Electrical Conductivity: Equal Weight (Specific), % IACS 28
110

Otherwise Unclassified Properties

Base Metal Price, % relative 24
9.5
Density, g/cm3 8.1
2.9
Embodied Carbon, kg CO2/kg material 2.7
8.1
Embodied Energy, MJ/kg 46
150
Embodied Water, L/kg 330
1140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 25
37 to 41
Resilience: Unit (Modulus of Resilience), kJ/m3 180
630 to 710
Stiffness to Weight: Axial, points 7.1
13
Stiffness to Weight: Bending, points 19
47
Strength to Weight: Axial, points 12
33 to 37
Strength to Weight: Bending, points 13
37 to 40
Thermal Diffusivity, mm2/s 35
59
Thermal Shock Resistance, points 12
15 to 17

Alloy Composition

Aluminum (Al), % 0.3 to 0.7
90.6 to 94.5
Antimony (Sb), % 0 to 0.14
0
Arsenic (As), % 0.040 to 0.14
0
Chromium (Cr), % 0
0 to 0.2
Copper (Cu), % 61.5 to 64.5
0 to 0.2
Iron (Fe), % 0 to 0.3
0 to 0.35
Lead (Pb), % 1.5 to 2.2
0
Magnesium (Mg), % 0
0.5 to 1.0
Manganese (Mn), % 0 to 0.1
0 to 0.3
Nickel (Ni), % 0 to 0.2
0
Silicon (Si), % 0 to 0.020
0 to 0.3
Tin (Sn), % 0 to 0.3
0
Titanium (Ti), % 0
0 to 0.2
Zinc (Zn), % 31.5 to 36.7
5.0 to 6.5
Zirconium (Zr), % 0
0.050 to 0.25
Residuals, % 0
0 to 0.15