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6261 Aluminum vs. C22000 Bronze

6261 aluminum belongs to the aluminum alloys classification, while C22000 bronze belongs to the copper 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 6261 aluminum and the bottom bar is C22000 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
110
Elongation at Break, % 9.0 to 16
1.9 to 45
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
42
Shear Strength, MPa 90 to 180
200 to 300
Tensile Strength: Ultimate (UTS), MPa 150 to 300
260 to 520
Tensile Strength: Yield (Proof), MPa 100 to 260
69 to 500

Thermal Properties

Latent Heat of Fusion, J/g 400
200
Maximum Temperature: Mechanical, °C 160
180
Melting Completion (Liquidus), °C 640
1040
Melting Onset (Solidus), °C 610
1020
Specific Heat Capacity, J/kg-K 900
390
Thermal Conductivity, W/m-K 180
190
Thermal Expansion, µm/m-K 23
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 48
44
Electrical Conductivity: Equal Weight (Specific), % IACS 160
45

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
29
Density, g/cm3 2.7
8.7
Embodied Carbon, kg CO2/kg material 8.3
2.6
Embodied Energy, MJ/kg 150
42
Embodied Water, L/kg 1180
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 21 to 27
3.7 to 230
Resilience: Unit (Modulus of Resilience), kJ/m3 77 to 500
21 to 1110
Stiffness to Weight: Axial, points 14
7.2
Stiffness to Weight: Bending, points 50
18
Strength to Weight: Axial, points 15 to 31
8.1 to 17
Strength to Weight: Bending, points 23 to 37
10 to 17
Thermal Diffusivity, mm2/s 75
56
Thermal Shock Resistance, points 6.5 to 13
8.8 to 18

Alloy Composition

Aluminum (Al), % 96.6 to 98.6
0
Chromium (Cr), % 0 to 0.1
0
Copper (Cu), % 0.15 to 0.4
89 to 91
Iron (Fe), % 0 to 0.4
0 to 0.050
Lead (Pb), % 0
0 to 0.050
Magnesium (Mg), % 0.7 to 1.0
0
Manganese (Mn), % 0.2 to 0.35
0
Silicon (Si), % 0.4 to 0.7
0
Titanium (Ti), % 0 to 0.1
0
Zinc (Zn), % 0 to 0.2
8.7 to 11
Residuals, % 0
0 to 0.2