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C87500 Brass vs. 204.0 Aluminum

C87500 brass belongs to the copper alloys classification, while 204.0 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 C87500 brass and the bottom bar is 204.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
71
Elongation at Break, % 18
5.7 to 7.8
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 42
27
Tensile Strength: Ultimate (UTS), MPa 460
230 to 340
Tensile Strength: Yield (Proof), MPa 190
180 to 220

Thermal Properties

Latent Heat of Fusion, J/g 260
390
Maximum Temperature: Mechanical, °C 170
170
Melting Completion (Liquidus), °C 920
650
Melting Onset (Solidus), °C 820
580
Specific Heat Capacity, J/kg-K 410
880
Thermal Conductivity, W/m-K 28
120
Thermal Expansion, µm/m-K 18
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.7
29 to 34
Electrical Conductivity: Equal Weight (Specific), % IACS 7.3
87 to 100

Otherwise Unclassified Properties

Base Metal Price, % relative 27
11
Density, g/cm3 8.3
3.0
Embodied Carbon, kg CO2/kg material 2.7
8.0
Embodied Energy, MJ/kg 44
150
Embodied Water, L/kg 300
1150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 67
12 to 23
Resilience: Unit (Modulus of Resilience), kJ/m3 160
220 to 350
Stiffness to Weight: Axial, points 7.4
13
Stiffness to Weight: Bending, points 19
46
Strength to Weight: Axial, points 16
21 to 31
Strength to Weight: Bending, points 16
28 to 36
Thermal Diffusivity, mm2/s 8.3
46
Thermal Shock Resistance, points 17
12 to 18

Alloy Composition

Aluminum (Al), % 0 to 0.5
93.4 to 95.5
Copper (Cu), % 79 to 85
4.2 to 5.0
Iron (Fe), % 0
0 to 0.35
Lead (Pb), % 0 to 0.5
0
Magnesium (Mg), % 0
0.15 to 0.35
Manganese (Mn), % 0
0 to 0.1
Nickel (Ni), % 0
0 to 0.050
Silicon (Si), % 3.0 to 5.0
0 to 0.2
Tin (Sn), % 0
0 to 0.050
Titanium (Ti), % 0
0.15 to 0.3
Zinc (Zn), % 12 to 16
0 to 0.1
Residuals, % 0
0 to 0.15