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C87800 Brass vs. 3203 Aluminum

C87800 brass belongs to the copper alloys classification, while 3203 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 C87800 brass and the bottom bar is 3203 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
70
Elongation at Break, % 25
4.5 to 29
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 42
26
Tensile Strength: Ultimate (UTS), MPa 590
110 to 200
Tensile Strength: Yield (Proof), MPa 350
39 to 190

Thermal Properties

Latent Heat of Fusion, J/g 260
400
Maximum Temperature: Mechanical, °C 170
180
Melting Completion (Liquidus), °C 920
650
Melting Onset (Solidus), °C 820
620
Specific Heat Capacity, J/kg-K 410
900
Thermal Conductivity, W/m-K 28
170
Thermal Expansion, µm/m-K 18
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.7
43
Electrical Conductivity: Equal Weight (Specific), % IACS 7.3
140

Otherwise Unclassified Properties

Base Metal Price, % relative 27
9.0
Density, g/cm3 8.3
2.8
Embodied Carbon, kg CO2/kg material 2.7
8.1
Embodied Energy, MJ/kg 44
150
Embodied Water, L/kg 300
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
8.0 to 25
Resilience: Unit (Modulus of Resilience), kJ/m3 540
11 to 250
Stiffness to Weight: Axial, points 7.4
14
Stiffness to Weight: Bending, points 19
50
Strength to Weight: Axial, points 20
11 to 20
Strength to Weight: Bending, points 19
19 to 28
Thermal Diffusivity, mm2/s 8.3
70
Thermal Shock Resistance, points 21
4.9 to 8.8

Alloy Composition

Aluminum (Al), % 0 to 0.15
96.9 to 99
Antimony (Sb), % 0 to 0.050
0
Arsenic (As), % 0 to 0.050
0
Copper (Cu), % 80 to 84.2
0 to 0.050
Iron (Fe), % 0 to 0.15
0 to 0.7
Lead (Pb), % 0 to 0.15
0
Magnesium (Mg), % 0 to 0.010
0
Manganese (Mn), % 0 to 0.15
1.0 to 1.5
Nickel (Ni), % 0 to 0.2
0
Phosphorus (P), % 0 to 0.010
0
Silicon (Si), % 3.8 to 4.2
0 to 0.6
Sulfur (S), % 0 to 0.050
0
Tin (Sn), % 0 to 0.25
0
Zinc (Zn), % 12 to 16
0 to 0.1
Residuals, % 0
0 to 0.15