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204.0 Aluminum vs. C27000 Brass

204.0 aluminum belongs to the aluminum alloys classification, while C27000 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 204.0 aluminum and the bottom bar is C27000 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
110
Poisson's Ratio 0.33
0.31
Shear Modulus, GPa 27
40
Tensile Strength: Ultimate (UTS), MPa 230 to 340
370 to 650

Thermal Properties

Latent Heat of Fusion, J/g 390
180
Maximum Temperature: Mechanical, °C 170
130
Melting Completion (Liquidus), °C 650
930
Melting Onset (Solidus), °C 580
900
Specific Heat Capacity, J/kg-K 880
390
Thermal Conductivity, W/m-K 120
120
Thermal Expansion, µm/m-K 19
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 29 to 34
27
Electrical Conductivity: Equal Weight (Specific), % IACS 87 to 100
30

Otherwise Unclassified Properties

Base Metal Price, % relative 11
24
Density, g/cm3 3.0
8.1
Embodied Carbon, kg CO2/kg material 8.0
2.7
Embodied Energy, MJ/kg 150
45
Embodied Water, L/kg 1150
320

Common Calculations

Stiffness to Weight: Axial, points 13
7.2
Stiffness to Weight: Bending, points 46
19
Strength to Weight: Axial, points 21 to 31
13 to 22
Strength to Weight: Bending, points 28 to 36
14 to 21
Thermal Diffusivity, mm2/s 46
37
Thermal Shock Resistance, points 12 to 18
12 to 22

Alloy Composition

Aluminum (Al), % 93.4 to 95.5
0
Copper (Cu), % 4.2 to 5.0
63 to 68.5
Iron (Fe), % 0 to 0.35
0 to 0.1
Lead (Pb), % 0
0 to 0.070
Magnesium (Mg), % 0.15 to 0.35
0
Manganese (Mn), % 0 to 0.1
0
Nickel (Ni), % 0 to 0.050
0
Silicon (Si), % 0 to 0.2
0
Tin (Sn), % 0 to 0.050
0
Titanium (Ti), % 0.15 to 0.3
0
Zinc (Zn), % 0 to 0.1
31 to 37
Residuals, % 0
0 to 0.3