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C99400 Brass vs. 324.0 Aluminum

C99400 brass belongs to the copper alloys classification, while 324.0 aluminum belongs to the aluminum alloys. There are 24 material properties with values for both materials. Properties with values for just one material (5, 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 C99400 brass and the bottom bar is 324.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
71
Poisson's Ratio 0.34
0.33
Shear Modulus, GPa 44
27
Tensile Strength: Ultimate (UTS), MPa 460 to 550
210 to 310
Tensile Strength: Yield (Proof), MPa 230 to 370
110 to 270

Thermal Properties

Latent Heat of Fusion, J/g 230
500
Maximum Temperature: Mechanical, °C 200
170
Melting Completion (Liquidus), °C 1070
610
Melting Onset (Solidus), °C 1020
550
Specific Heat Capacity, J/kg-K 400
900
Thermal Expansion, µm/m-K 17
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 17
34
Electrical Conductivity: Equal Weight (Specific), % IACS 17
120

Otherwise Unclassified Properties

Base Metal Price, % relative 30
9.5
Density, g/cm3 8.7
2.7
Embodied Carbon, kg CO2/kg material 2.8
7.9
Embodied Energy, MJ/kg 45
150
Embodied Water, L/kg 310
1090

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 230 to 590
85 to 510
Stiffness to Weight: Axial, points 7.5
15
Stiffness to Weight: Bending, points 19
52
Strength to Weight: Axial, points 15 to 17
22 to 32
Strength to Weight: Bending, points 15 to 17
29 to 38
Thermal Shock Resistance, points 16 to 19
9.7 to 14

Alloy Composition

Aluminum (Al), % 0.5 to 2.0
87.3 to 92.2
Copper (Cu), % 83.5 to 96.5
0.4 to 0.6
Iron (Fe), % 1.0 to 3.0
0 to 1.2
Lead (Pb), % 0 to 0.25
0
Magnesium (Mg), % 0
0.4 to 0.7
Manganese (Mn), % 0 to 0.5
0 to 0.5
Nickel (Ni), % 1.0 to 3.5
0 to 0.3
Silicon (Si), % 0.5 to 2.0
7.0 to 8.0
Titanium (Ti), % 0
0 to 0.2
Zinc (Zn), % 0.5 to 5.0
0 to 1.0
Residuals, % 0
0 to 0.2

Comparable Variants