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C32000 Brass vs. 8090 Aluminum

C32000 brass belongs to the copper alloys classification, while 8090 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 C32000 brass and the bottom bar is 8090 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
67
Elongation at Break, % 6.8 to 29
3.5 to 13
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 41
25
Tensile Strength: Ultimate (UTS), MPa 270 to 470
340 to 490
Tensile Strength: Yield (Proof), MPa 78 to 390
210 to 420

Thermal Properties

Latent Heat of Fusion, J/g 190
400
Maximum Temperature: Mechanical, °C 170
190
Melting Completion (Liquidus), °C 1020
660
Melting Onset (Solidus), °C 990
600
Specific Heat Capacity, J/kg-K 380
960
Thermal Conductivity, W/m-K 160
95 to 160
Thermal Expansion, µm/m-K 19
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 36
20
Electrical Conductivity: Equal Weight (Specific), % IACS 37
66

Otherwise Unclassified Properties

Base Metal Price, % relative 28
18
Density, g/cm3 8.7
2.7
Embodied Carbon, kg CO2/kg material 2.6
8.6
Embodied Energy, MJ/kg 42
170
Embodied Water, L/kg 310
1160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 30 to 59
16 to 41
Resilience: Unit (Modulus of Resilience), kJ/m3 28 to 680
340 to 1330
Stiffness to Weight: Axial, points 7.1
14
Stiffness to Weight: Bending, points 18
50
Strength to Weight: Axial, points 8.8 to 15
34 to 49
Strength to Weight: Bending, points 11 to 16
39 to 50
Thermal Diffusivity, mm2/s 47
36 to 60
Thermal Shock Resistance, points 9.5 to 16
15 to 22

Alloy Composition

Aluminum (Al), % 0
93 to 98.4
Chromium (Cr), % 0
0 to 0.1
Copper (Cu), % 83.5 to 86.5
1.0 to 1.6
Iron (Fe), % 0 to 0.1
0 to 0.3
Lead (Pb), % 1.5 to 2.2
0
Lithium (Li), % 0
2.2 to 2.7
Magnesium (Mg), % 0
0.6 to 1.3
Manganese (Mn), % 0
0 to 0.1
Nickel (Ni), % 0 to 0.25
0
Silicon (Si), % 0
0 to 0.2
Titanium (Ti), % 0
0 to 0.1
Zinc (Zn), % 10.6 to 15
0 to 0.25
Zirconium (Zr), % 0
0.040 to 0.16
Residuals, % 0
0 to 0.15