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C35000 Brass vs. 238.0 Aluminum

C35000 brass belongs to the copper alloys classification, while 238.0 aluminum belongs to the aluminum alloys. There are 24 material properties with values for both materials. Properties with values for just one material (7, 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 C35000 brass and the bottom bar is 238.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
76
Poisson's Ratio 0.31
0.33
Shear Modulus, GPa 40
28
Tensile Strength: Ultimate (UTS), MPa 340 to 650
210

Thermal Properties

Latent Heat of Fusion, J/g 170
430
Maximum Temperature: Mechanical, °C 120
170
Melting Completion (Liquidus), °C 920
600
Melting Onset (Solidus), °C 890
510
Specific Heat Capacity, J/kg-K 380
840
Thermal Conductivity, W/m-K 120
100
Thermal Expansion, µm/m-K 21
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 26
25
Electrical Conductivity: Equal Weight (Specific), % IACS 29
67

Otherwise Unclassified Properties

Base Metal Price, % relative 23
12
Density, g/cm3 8.1
3.4
Embodied Carbon, kg CO2/kg material 2.7
7.4
Embodied Energy, MJ/kg 45
140
Embodied Water, L/kg 320
1040

Common Calculations

Stiffness to Weight: Axial, points 7.1
12
Stiffness to Weight: Bending, points 19
42
Strength to Weight: Axial, points 12 to 22
17
Strength to Weight: Bending, points 13 to 21
23
Thermal Diffusivity, mm2/s 37
37
Thermal Shock Resistance, points 11 to 22
9.1

Alloy Composition

Aluminum (Al), % 0
81.9 to 84.9
Copper (Cu), % 60 to 63
9.5 to 10.5
Iron (Fe), % 0 to 0.1
1.0 to 1.5
Lead (Pb), % 0.8 to 2.0
0
Magnesium (Mg), % 0
0 to 0.25
Silicon (Si), % 0
3.6 to 4.4
Zinc (Zn), % 34.5 to 39.2
1.0 to 1.5
Residuals, % 0 to 0.4
0