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6061 Aluminum vs. C61800 Bronze

6061 aluminum belongs to the aluminum alloys classification, while C61800 bronze belongs to the copper alloys. There are 30 material properties with values for both materials. Properties with values for just one material (2, 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 6061 aluminum and the bottom bar is C61800 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
110
Elongation at Break, % 3.4 to 20
26
Fatigue Strength, MPa 58 to 110
190
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 26
44
Shear Strength, MPa 84 to 210
310
Tensile Strength: Ultimate (UTS), MPa 130 to 410
740
Tensile Strength: Yield (Proof), MPa 76 to 370
310

Thermal Properties

Latent Heat of Fusion, J/g 400
230
Maximum Temperature: Mechanical, °C 170
220
Melting Completion (Liquidus), °C 650
1050
Melting Onset (Solidus), °C 580
1040
Specific Heat Capacity, J/kg-K 900
440
Thermal Conductivity, W/m-K 170
64
Thermal Expansion, µm/m-K 24
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 43
13
Electrical Conductivity: Equal Weight (Specific), % IACS 140
14

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
28
Density, g/cm3 2.7
8.3
Embodied Carbon, kg CO2/kg material 8.3
3.1
Embodied Energy, MJ/kg 150
52
Embodied Water, L/kg 1180
390

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 3.8 to 81
150
Resilience: Unit (Modulus of Resilience), kJ/m3 42 to 1000
420
Stiffness to Weight: Axial, points 14
7.5
Stiffness to Weight: Bending, points 50
19
Strength to Weight: Axial, points 13 to 42
25
Strength to Weight: Bending, points 21 to 45
22
Thermal Diffusivity, mm2/s 68
18
Thermal Shock Resistance, points 5.7 to 18
26

Alloy Composition

Aluminum (Al), % 95.9 to 98.6
8.5 to 11
Chromium (Cr), % 0.040 to 0.35
0
Copper (Cu), % 0.15 to 0.4
86.9 to 91
Iron (Fe), % 0 to 0.7
0.5 to 1.5
Lead (Pb), % 0
0 to 0.020
Magnesium (Mg), % 0.8 to 1.2
0
Manganese (Mn), % 0 to 0.15
0
Silicon (Si), % 0.4 to 0.8
0 to 0.1
Titanium (Ti), % 0 to 0.15
0
Zinc (Zn), % 0 to 0.25
0 to 0.020
Residuals, % 0
0 to 0.5