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C443.0 Aluminum vs. C87400 Brass

C443.0 aluminum belongs to the aluminum alloys classification, while C87400 brass belongs to the copper 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 C443.0 aluminum and the bottom bar is C87400 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
110
Elongation at Break, % 9.0
21
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 27
41
Tensile Strength: Ultimate (UTS), MPa 230
390
Tensile Strength: Yield (Proof), MPa 100
160

Thermal Properties

Latent Heat of Fusion, J/g 470
250
Maximum Temperature: Mechanical, °C 170
170
Melting Completion (Liquidus), °C 630
920
Melting Onset (Solidus), °C 600
820
Specific Heat Capacity, J/kg-K 900
400
Thermal Conductivity, W/m-K 140
28
Thermal Expansion, µm/m-K 22
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 37
6.7
Electrical Conductivity: Equal Weight (Specific), % IACS 120
7.2

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
27
Density, g/cm3 2.7
8.3
Embodied Carbon, kg CO2/kg material 7.9
2.7
Embodied Energy, MJ/kg 150
44
Embodied Water, L/kg 1120
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 17
65
Resilience: Unit (Modulus of Resilience), kJ/m3 70
120
Stiffness to Weight: Axial, points 15
7.4
Stiffness to Weight: Bending, points 51
19
Strength to Weight: Axial, points 24
13
Strength to Weight: Bending, points 31
14
Thermal Diffusivity, mm2/s 58
8.3
Thermal Shock Resistance, points 10
14

Alloy Composition

Aluminum (Al), % 89.6 to 95.5
0 to 0.8
Copper (Cu), % 0 to 0.6
79 to 85.5
Iron (Fe), % 0 to 2.0
0
Lead (Pb), % 0
0 to 1.0
Magnesium (Mg), % 0 to 0.1
0
Manganese (Mn), % 0 to 0.35
0
Nickel (Ni), % 0 to 0.5
0
Silicon (Si), % 4.5 to 6.0
2.5 to 4.0
Tin (Sn), % 0 to 0.15
0
Zinc (Zn), % 0 to 0.5
12 to 16
Residuals, % 0
0 to 0.8