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6008 Aluminum vs. CC751S Brass

6008 aluminum belongs to the aluminum alloys classification, while CC751S 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 6008 aluminum and the bottom bar is CC751S brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
110
Elongation at Break, % 9.1 to 17
5.6
Poisson's Ratio 0.33
0.31
Shear Modulus, GPa 26
40
Tensile Strength: Ultimate (UTS), MPa 200 to 290
450
Tensile Strength: Yield (Proof), MPa 100 to 220
320

Thermal Properties

Latent Heat of Fusion, J/g 410
190
Maximum Temperature: Mechanical, °C 180
130
Melting Completion (Liquidus), °C 640
850
Melting Onset (Solidus), °C 620
810
Specific Heat Capacity, J/kg-K 900
390
Thermal Conductivity, W/m-K 190
110
Thermal Expansion, µm/m-K 23
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 49
25
Electrical Conductivity: Equal Weight (Specific), % IACS 160
28

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
24
Density, g/cm3 2.7
8.1
Embodied Carbon, kg CO2/kg material 8.5
2.8
Embodied Energy, MJ/kg 160
46
Embodied Water, L/kg 1180
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 24 to 28
23
Resilience: Unit (Modulus of Resilience), kJ/m3 76 to 360
480
Stiffness to Weight: Axial, points 14
7.2
Stiffness to Weight: Bending, points 50
19
Strength to Weight: Axial, points 21 to 29
15
Strength to Weight: Bending, points 28 to 35
16
Thermal Diffusivity, mm2/s 77
35
Thermal Shock Resistance, points 9.0 to 13
15

Alloy Composition

Aluminum (Al), % 96.5 to 99.1
0 to 0.1
Antimony (Sb), % 0
0 to 0.5
Chromium (Cr), % 0 to 0.3
0
Copper (Cu), % 0 to 0.3
62.7 to 66
Iron (Fe), % 0 to 0.35
0.25 to 0.5
Lead (Pb), % 0
0.8 to 2.2
Magnesium (Mg), % 0.4 to 0.7
0
Manganese (Mn), % 0 to 0.3
0 to 0.15
Nickel (Ni), % 0
0 to 0.8
Silicon (Si), % 0.5 to 0.9
0.65 to 1.1
Tin (Sn), % 0
0 to 0.8
Titanium (Ti), % 0 to 0.1
0
Vanadium (V), % 0.050 to 0.2
0
Zinc (Zn), % 0 to 0.2
27.9 to 35.6
Residuals, % 0 to 0.15
0