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CC491K Bronze vs. 6261 Aluminum

CC491K bronze belongs to the copper alloys classification, while 6261 aluminum belongs to the aluminum alloys. There are 28 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 CC491K bronze and the bottom bar is 6261 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
69
Elongation at Break, % 13
9.0 to 16
Poisson's Ratio 0.34
0.33
Shear Modulus, GPa 40
26
Tensile Strength: Ultimate (UTS), MPa 260
150 to 300
Tensile Strength: Yield (Proof), MPa 120
100 to 260

Thermal Properties

Latent Heat of Fusion, J/g 190
400
Maximum Temperature: Mechanical, °C 160
160
Melting Completion (Liquidus), °C 980
640
Melting Onset (Solidus), °C 900
610
Specific Heat Capacity, J/kg-K 370
900
Thermal Conductivity, W/m-K 71
180
Thermal Expansion, µm/m-K 19
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 15
48
Electrical Conductivity: Equal Weight (Specific), % IACS 15
160

Otherwise Unclassified Properties

Base Metal Price, % relative 31
9.5
Density, g/cm3 8.9
2.7
Embodied Carbon, kg CO2/kg material 3.1
8.3
Embodied Energy, MJ/kg 51
150
Embodied Water, L/kg 350
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 27
21 to 27
Resilience: Unit (Modulus of Resilience), kJ/m3 67
77 to 500
Stiffness to Weight: Axial, points 6.7
14
Stiffness to Weight: Bending, points 18
50
Strength to Weight: Axial, points 8.1
15 to 31
Strength to Weight: Bending, points 10
23 to 37
Thermal Diffusivity, mm2/s 22
75
Thermal Shock Resistance, points 9.3
6.5 to 13

Alloy Composition

Aluminum (Al), % 0 to 0.010
96.6 to 98.6
Antimony (Sb), % 0 to 0.25
0
Chromium (Cr), % 0
0 to 0.1
Copper (Cu), % 81 to 87
0.15 to 0.4
Iron (Fe), % 0 to 0.3
0 to 0.4
Lead (Pb), % 4.0 to 6.0
0
Magnesium (Mg), % 0
0.7 to 1.0
Manganese (Mn), % 0
0.2 to 0.35
Nickel (Ni), % 0 to 2.0
0
Phosphorus (P), % 0 to 0.1
0
Silicon (Si), % 0 to 0.010
0.4 to 0.7
Sulfur (S), % 0 to 0.1
0
Tin (Sn), % 4.0 to 6.0
0
Titanium (Ti), % 0
0 to 0.1
Zinc (Zn), % 4.0 to 6.0
0 to 0.2
Residuals, % 0
0 to 0.15