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C87400 Brass vs. EN AC-44000 Aluminum

C87400 brass belongs to the copper alloys classification, while EN AC-44000 aluminum belongs to the aluminum alloys. There are 28 material properties with values for both materials. Properties with values for just one material (2, 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 C87400 brass and the bottom bar is EN AC-44000 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
71
Elongation at Break, % 21
7.3
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 41
27
Tensile Strength: Ultimate (UTS), MPa 390
180
Tensile Strength: Yield (Proof), MPa 160
86

Thermal Properties

Latent Heat of Fusion, J/g 250
560
Maximum Temperature: Mechanical, °C 170
170
Melting Completion (Liquidus), °C 920
590
Melting Onset (Solidus), °C 820
590
Specific Heat Capacity, J/kg-K 400
910
Thermal Conductivity, W/m-K 28
140
Thermal Expansion, µm/m-K 18
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.7
36
Electrical Conductivity: Equal Weight (Specific), % IACS 7.2
130

Otherwise Unclassified Properties

Base Metal Price, % relative 27
9.5
Density, g/cm3 8.3
2.5
Embodied Carbon, kg CO2/kg material 2.7
7.8
Embodied Energy, MJ/kg 44
150
Embodied Water, L/kg 310
1070

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 65
11
Resilience: Unit (Modulus of Resilience), kJ/m3 120
51
Stiffness to Weight: Axial, points 7.4
16
Stiffness to Weight: Bending, points 19
55
Strength to Weight: Axial, points 13
20
Strength to Weight: Bending, points 14
28
Thermal Diffusivity, mm2/s 8.3
61
Thermal Shock Resistance, points 14
8.4

Alloy Composition

Aluminum (Al), % 0 to 0.8
87.1 to 90
Copper (Cu), % 79 to 85.5
0 to 0.050
Iron (Fe), % 0
0 to 0.19
Lead (Pb), % 0 to 1.0
0
Magnesium (Mg), % 0
0 to 0.45
Manganese (Mn), % 0
0 to 0.1
Silicon (Si), % 2.5 to 4.0
10 to 11.8
Titanium (Ti), % 0
0 to 0.15
Zinc (Zn), % 12 to 16
0 to 0.070
Residuals, % 0
0 to 0.1