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C66900 Brass vs. 6065 Aluminum

C66900 brass belongs to the copper alloys classification, while 6065 aluminum belongs to the aluminum alloys. There are 27 material properties with values for both materials. Properties with values for just one material (5, 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 C66900 brass and the bottom bar is 6065 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
68
Elongation at Break, % 1.1 to 26
4.5 to 11
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 45
26
Shear Strength, MPa 290 to 440
190 to 230
Tensile Strength: Ultimate (UTS), MPa 460 to 770
310 to 400
Tensile Strength: Yield (Proof), MPa 330 to 760
270 to 380

Thermal Properties

Latent Heat of Fusion, J/g 190
400
Maximum Temperature: Mechanical, °C 150
180
Melting Completion (Liquidus), °C 860
640
Melting Onset (Solidus), °C 850
590
Specific Heat Capacity, J/kg-K 400
890
Thermal Expansion, µm/m-K 20
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.4
43
Electrical Conductivity: Equal Weight (Specific), % IACS 3.8
140

Otherwise Unclassified Properties

Base Metal Price, % relative 23
11
Density, g/cm3 8.2
2.8
Embodied Carbon, kg CO2/kg material 2.8
8.4
Embodied Energy, MJ/kg 46
150
Embodied Water, L/kg 310
1200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.6 to 200
17 to 34
Resilience: Unit (Modulus of Resilience), kJ/m3 460 to 2450
540 to 1040
Stiffness to Weight: Axial, points 8.1
14
Stiffness to Weight: Bending, points 20
49
Strength to Weight: Axial, points 15 to 26
31 to 40
Strength to Weight: Bending, points 16 to 23
36 to 43
Thermal Shock Resistance, points 14 to 23
14 to 18

Alloy Composition

Aluminum (Al), % 0
94.4 to 98.2
Bismuth (Bi), % 0
0.5 to 1.5
Chromium (Cr), % 0
0 to 0.15
Copper (Cu), % 62.5 to 64.5
0.15 to 0.4
Iron (Fe), % 0 to 0.25
0 to 0.7
Lead (Pb), % 0 to 0.050
0 to 0.050
Magnesium (Mg), % 0
0.8 to 1.2
Manganese (Mn), % 11.5 to 12.5
0 to 0.15
Silicon (Si), % 0
0.4 to 0.8
Titanium (Ti), % 0
0 to 0.1
Zinc (Zn), % 22.5 to 26
0 to 0.25
Zirconium (Zr), % 0
0 to 0.15
Residuals, % 0
0 to 0.15