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8090 Aluminum vs. C48500 Brass

8090 aluminum belongs to the aluminum alloys classification, while C48500 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 C48500 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 67
100
Elongation at Break, % 3.5 to 13
13 to 40
Poisson's Ratio 0.33
0.31
Shear Modulus, GPa 25
39
Tensile Strength: Ultimate (UTS), MPa 340 to 490
400 to 500
Tensile Strength: Yield (Proof), MPa 210 to 420
160 to 320

Thermal Properties

Latent Heat of Fusion, J/g 400
170
Maximum Temperature: Mechanical, °C 190
120
Melting Completion (Liquidus), °C 660
900
Melting Onset (Solidus), °C 600
890
Specific Heat Capacity, J/kg-K 960
380
Thermal Conductivity, W/m-K 95 to 160
120
Thermal Expansion, µm/m-K 24
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 20
26
Electrical Conductivity: Equal Weight (Specific), % IACS 66
29

Otherwise Unclassified Properties

Base Metal Price, % relative 18
23
Density, g/cm3 2.7
8.1
Embodied Carbon, kg CO2/kg material 8.6
2.7
Embodied Energy, MJ/kg 170
46
Embodied Water, L/kg 1160
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 16 to 41
56 to 140
Resilience: Unit (Modulus of Resilience), kJ/m3 340 to 1330
120 to 500
Stiffness to Weight: Axial, points 14
7.1
Stiffness to Weight: Bending, points 50
19
Strength to Weight: Axial, points 34 to 49
14 to 17
Strength to Weight: Bending, points 39 to 50
15 to 17
Thermal Diffusivity, mm2/s 36 to 60
38
Thermal Shock Resistance, points 15 to 22
13 to 17

Alloy Composition

Aluminum (Al), % 93 to 98.4
0
Chromium (Cr), % 0 to 0.1
0
Copper (Cu), % 1.0 to 1.6
59 to 62
Iron (Fe), % 0 to 0.3
0 to 0.1
Lead (Pb), % 0
1.3 to 2.2
Lithium (Li), % 2.2 to 2.7
0
Magnesium (Mg), % 0.6 to 1.3
0
Manganese (Mn), % 0 to 0.1
0
Silicon (Si), % 0 to 0.2
0
Tin (Sn), % 0
0.5 to 1.0
Titanium (Ti), % 0 to 0.1
0
Zinc (Zn), % 0 to 0.25
34.3 to 39.2
Zirconium (Zr), % 0.040 to 0.16
0
Residuals, % 0
0 to 0.4