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6066 Aluminum vs. C66200 Brass

6066 aluminum belongs to the aluminum alloys classification, while C66200 brass belongs to the copper alloys. There are 29 material properties with values for both materials. Properties with values for just one material (1, 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 6066 aluminum and the bottom bar is C66200 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
110
Elongation at Break, % 7.8 to 17
8.0 to 15
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
42
Shear Strength, MPa 95 to 240
270 to 300
Tensile Strength: Ultimate (UTS), MPa 160 to 400
450 to 520
Tensile Strength: Yield (Proof), MPa 93 to 360
410 to 480

Thermal Properties

Latent Heat of Fusion, J/g 410
200
Maximum Temperature: Mechanical, °C 170
180
Melting Completion (Liquidus), °C 650
1070
Melting Onset (Solidus), °C 560
1030
Specific Heat Capacity, J/kg-K 890
390
Thermal Conductivity, W/m-K 150
150
Thermal Expansion, µm/m-K 23
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 40
35
Electrical Conductivity: Equal Weight (Specific), % IACS 130
36

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
29
Density, g/cm3 2.8
8.7
Embodied Carbon, kg CO2/kg material 8.3
2.7
Embodied Energy, MJ/kg 150
43
Embodied Water, L/kg 1160
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 23 to 52
40 to 66
Resilience: Unit (Modulus of Resilience), kJ/m3 61 to 920
760 to 1030
Stiffness to Weight: Axial, points 14
7.2
Stiffness to Weight: Bending, points 49
19
Strength to Weight: Axial, points 16 to 39
14 to 17
Strength to Weight: Bending, points 23 to 43
15 to 16
Thermal Diffusivity, mm2/s 61
45
Thermal Shock Resistance, points 6.9 to 17
16 to 18

Alloy Composition

Aluminum (Al), % 93 to 97
0
Chromium (Cr), % 0 to 0.4
0
Copper (Cu), % 0.7 to 1.2
86.6 to 91
Iron (Fe), % 0 to 0.5
0 to 0.050
Lead (Pb), % 0
0 to 0.050
Magnesium (Mg), % 0.8 to 1.4
0
Manganese (Mn), % 0.6 to 1.1
0
Nickel (Ni), % 0
0.3 to 1.0
Phosphorus (P), % 0
0.050 to 0.2
Silicon (Si), % 0.9 to 1.8
0
Tin (Sn), % 0
0.2 to 0.7
Titanium (Ti), % 0 to 0.2
0
Zinc (Zn), % 0 to 0.25
6.5 to 12.9
Residuals, % 0
0 to 0.5