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C26000 Brass vs. 6261 Aluminum

C26000 brass belongs to the copper alloys classification, while 6261 aluminum belongs to the aluminum alloys. There are 29 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 C26000 brass and the bottom bar is 6261 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
69
Elongation at Break, % 2.5 to 66
9.0 to 16
Poisson's Ratio 0.31
0.33
Shear Modulus, GPa 41
26
Shear Strength, MPa 230 to 390
90 to 180
Tensile Strength: Ultimate (UTS), MPa 320 to 680
150 to 300
Tensile Strength: Yield (Proof), MPa 110 to 570
100 to 260

Thermal Properties

Latent Heat of Fusion, J/g 180
400
Maximum Temperature: Mechanical, °C 140
160
Melting Completion (Liquidus), °C 950
640
Melting Onset (Solidus), °C 920
610
Specific Heat Capacity, J/kg-K 390
900
Thermal Conductivity, W/m-K 120
180
Thermal Expansion, µm/m-K 20
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 28
48
Electrical Conductivity: Equal Weight (Specific), % IACS 31
160

Otherwise Unclassified Properties

Base Metal Price, % relative 25
9.5
Density, g/cm3 8.2
2.7
Embodied Carbon, kg CO2/kg material 2.7
8.3
Embodied Energy, MJ/kg 45
150
Embodied Water, L/kg 320
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.1 to 420
21 to 27
Resilience: Unit (Modulus of Resilience), kJ/m3 51 to 1490
77 to 500
Stiffness to Weight: Axial, points 7.2
14
Stiffness to Weight: Bending, points 19
50
Strength to Weight: Axial, points 11 to 23
15 to 31
Strength to Weight: Bending, points 13 to 21
23 to 37
Thermal Diffusivity, mm2/s 38
75
Thermal Shock Resistance, points 11 to 23
6.5 to 13

Alloy Composition

Aluminum (Al), % 0
96.6 to 98.6
Bismuth (Bi), % 0 to 0.0059
0
Chromium (Cr), % 0
0 to 0.1
Copper (Cu), % 68.5 to 71.5
0.15 to 0.4
Iron (Fe), % 0 to 0.050
0 to 0.4
Lead (Pb), % 0 to 0.070
0
Magnesium (Mg), % 0
0.7 to 1.0
Manganese (Mn), % 0
0.2 to 0.35
Silicon (Si), % 0
0.4 to 0.7
Titanium (Ti), % 0
0 to 0.1
Zinc (Zn), % 28.1 to 31.5
0 to 0.2
Residuals, % 0
0 to 0.15