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C69300 Brass vs. 6066 Aluminum

C69300 brass belongs to the copper alloys classification, while 6066 aluminum belongs to the aluminum alloys. There are 29 material properties with values for both materials. Properties with values for just one material (2, 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 C69300 brass and the bottom bar is 6066 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
70
Elongation at Break, % 8.5 to 15
7.8 to 17
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 41
26
Shear Strength, MPa 330 to 370
95 to 240
Tensile Strength: Ultimate (UTS), MPa 550 to 630
160 to 400
Tensile Strength: Yield (Proof), MPa 300 to 390
93 to 360

Thermal Properties

Latent Heat of Fusion, J/g 240
410
Maximum Temperature: Mechanical, °C 160
170
Melting Completion (Liquidus), °C 880
650
Melting Onset (Solidus), °C 860
560
Specific Heat Capacity, J/kg-K 400
890
Thermal Conductivity, W/m-K 38
150
Thermal Expansion, µm/m-K 19
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.0
40
Electrical Conductivity: Equal Weight (Specific), % IACS 8.8
130

Otherwise Unclassified Properties

Base Metal Price, % relative 26
9.5
Density, g/cm3 8.2
2.8
Embodied Carbon, kg CO2/kg material 2.7
8.3
Embodied Energy, MJ/kg 45
150
Embodied Water, L/kg 310
1160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 47 to 70
23 to 52
Resilience: Unit (Modulus of Resilience), kJ/m3 400 to 700
61 to 920
Stiffness to Weight: Axial, points 7.4
14
Stiffness to Weight: Bending, points 19
49
Strength to Weight: Axial, points 19 to 21
16 to 39
Strength to Weight: Bending, points 18 to 20
23 to 43
Thermal Diffusivity, mm2/s 12
61
Thermal Shock Resistance, points 19 to 22
6.9 to 17

Alloy Composition

Aluminum (Al), % 0
93 to 97
Chromium (Cr), % 0
0 to 0.4
Copper (Cu), % 73 to 77
0.7 to 1.2
Iron (Fe), % 0 to 0.1
0 to 0.5
Lead (Pb), % 0 to 0.090
0
Magnesium (Mg), % 0
0.8 to 1.4
Manganese (Mn), % 0 to 0.1
0.6 to 1.1
Nickel (Ni), % 0 to 0.1
0
Phosphorus (P), % 0.040 to 0.15
0
Silicon (Si), % 2.7 to 3.4
0.9 to 1.8
Tin (Sn), % 0 to 0.2
0
Titanium (Ti), % 0
0 to 0.2
Zinc (Zn), % 18.4 to 24.3
0 to 0.25
Residuals, % 0
0 to 0.15