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2219 Aluminum vs. C24000 Brass

2219 aluminum belongs to the aluminum alloys classification, while C24000 brass belongs to the copper alloys. There are 24 material properties with values for both materials. Properties with values for just one material (9, 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 2219 aluminum and the bottom bar is C24000 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 72
110
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 27
42
Tensile Strength: Ultimate (UTS), MPa 180 to 480
310 to 640

Thermal Properties

Latent Heat of Fusion, J/g 390
190
Maximum Temperature: Mechanical, °C 230
160
Melting Completion (Liquidus), °C 640
1000
Melting Onset (Solidus), °C 540
970
Specific Heat Capacity, J/kg-K 870
390
Thermal Conductivity, W/m-K 110 to 170
140
Thermal Expansion, µm/m-K 22
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 28 to 44
32
Electrical Conductivity: Equal Weight (Specific), % IACS 81 to 130
34

Otherwise Unclassified Properties

Base Metal Price, % relative 11
27
Density, g/cm3 3.1
8.5
Embodied Carbon, kg CO2/kg material 8.2
2.6
Embodied Energy, MJ/kg 150
43
Embodied Water, L/kg 1130
320

Common Calculations

Stiffness to Weight: Axial, points 13
7.2
Stiffness to Weight: Bending, points 44
19
Strength to Weight: Axial, points 16 to 43
10 to 21
Strength to Weight: Bending, points 23 to 44
12 to 20
Thermal Diffusivity, mm2/s 42 to 63
43
Thermal Shock Resistance, points 8.2 to 22
10 to 22

Alloy Composition

Aluminum (Al), % 91.5 to 93.8
0
Copper (Cu), % 5.8 to 6.8
78.5 to 81.5
Iron (Fe), % 0 to 0.3
0 to 0.050
Lead (Pb), % 0
0 to 0.050
Magnesium (Mg), % 0 to 0.020
0
Manganese (Mn), % 0.2 to 0.4
0
Silicon (Si), % 0 to 0.2
0
Titanium (Ti), % 0.020 to 0.1
0
Vanadium (V), % 0.050 to 0.15
0
Zinc (Zn), % 0 to 0.1
18.2 to 21.5
Zirconium (Zr), % 0.1 to 0.25
0
Residuals, % 0
0 to 0.2