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C66900 Brass vs. 6070 Aluminum

C66900 brass belongs to the copper alloys classification, while 6070 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 6070 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
70
Elongation at Break, % 1.1 to 26
5.6 to 8.6
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 45
26
Shear Strength, MPa 290 to 440
220 to 240
Tensile Strength: Ultimate (UTS), MPa 460 to 770
370 to 380
Tensile Strength: Yield (Proof), MPa 330 to 760
350

Thermal Properties

Latent Heat of Fusion, J/g 190
410
Maximum Temperature: Mechanical, °C 150
160
Melting Completion (Liquidus), °C 860
650
Melting Onset (Solidus), °C 850
570
Specific Heat Capacity, J/kg-K 400
900
Thermal Expansion, µm/m-K 20
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.4
41
Electrical Conductivity: Equal Weight (Specific), % IACS 3.8
140

Otherwise Unclassified Properties

Base Metal Price, % relative 23
9.5
Density, g/cm3 8.2
2.7
Embodied Carbon, kg CO2/kg material 2.8
8.3
Embodied Energy, MJ/kg 46
150
Embodied Water, L/kg 310
1170

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.6 to 200
20 to 32
Resilience: Unit (Modulus of Resilience), kJ/m3 460 to 2450
880 to 900
Stiffness to Weight: Axial, points 8.1
14
Stiffness to Weight: Bending, points 20
50
Strength to Weight: Axial, points 15 to 26
38
Strength to Weight: Bending, points 16 to 23
42 to 43
Thermal Shock Resistance, points 14 to 23
16 to 17

Alloy Composition

Aluminum (Al), % 0
94.6 to 98
Chromium (Cr), % 0
0 to 0.1
Copper (Cu), % 62.5 to 64.5
0.15 to 0.4
Iron (Fe), % 0 to 0.25
0 to 0.5
Lead (Pb), % 0 to 0.050
0
Magnesium (Mg), % 0
0.5 to 1.2
Manganese (Mn), % 11.5 to 12.5
0.4 to 1.0
Silicon (Si), % 0
1.0 to 1.7
Titanium (Ti), % 0
0 to 0.15
Zinc (Zn), % 22.5 to 26
0 to 0.25
Residuals, % 0
0 to 0.15