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8090 Aluminum vs. C83400 Brass

8090 aluminum belongs to the aluminum alloys classification, while C83400 brass belongs to the copper 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 8090 aluminum and the bottom bar is C83400 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 67
110
Elongation at Break, % 3.5 to 13
30
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 25
42
Tensile Strength: Ultimate (UTS), MPa 340 to 490
240
Tensile Strength: Yield (Proof), MPa 210 to 420
69

Thermal Properties

Latent Heat of Fusion, J/g 400
200
Maximum Temperature: Mechanical, °C 190
180
Melting Completion (Liquidus), °C 660
1040
Melting Onset (Solidus), °C 600
1020
Specific Heat Capacity, J/kg-K 960
380
Thermal Conductivity, W/m-K 95 to 160
190
Thermal Expansion, µm/m-K 24
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 20
44
Electrical Conductivity: Equal Weight (Specific), % IACS 66
46

Otherwise Unclassified Properties

Base Metal Price, % relative 18
29
Density, g/cm3 2.7
8.7
Embodied Carbon, kg CO2/kg material 8.6
2.7
Embodied Energy, MJ/kg 170
43
Embodied Water, L/kg 1160
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 16 to 41
55
Resilience: Unit (Modulus of Resilience), kJ/m3 340 to 1330
21
Stiffness to Weight: Axial, points 14
7.2
Stiffness to Weight: Bending, points 50
19
Strength to Weight: Axial, points 34 to 49
7.7
Strength to Weight: Bending, points 39 to 50
9.9
Thermal Diffusivity, mm2/s 36 to 60
57
Thermal Shock Resistance, points 15 to 22
8.4

Alloy Composition

Aluminum (Al), % 93 to 98.4
0 to 0.0050
Antimony (Sb), % 0
0 to 0.25
Chromium (Cr), % 0 to 0.1
0
Copper (Cu), % 1.0 to 1.6
88 to 92
Iron (Fe), % 0 to 0.3
0 to 0.25
Lead (Pb), % 0
0 to 0.5
Lithium (Li), % 2.2 to 2.7
0
Magnesium (Mg), % 0.6 to 1.3
0
Manganese (Mn), % 0 to 0.1
0
Nickel (Ni), % 0
0 to 1.0
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0 to 0.2
0 to 0.0050
Sulfur (S), % 0
0 to 0.080
Tin (Sn), % 0
0 to 0.2
Titanium (Ti), % 0 to 0.1
0
Zinc (Zn), % 0 to 0.25
8.0 to 12
Zirconium (Zr), % 0.040 to 0.16
0
Residuals, % 0
0 to 0.7