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6065 Aluminum vs. C90400 Bronze

6065 aluminum belongs to the aluminum alloys classification, while C90400 bronze belongs to the copper 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 6065 aluminum and the bottom bar is C90400 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
110
Elongation at Break, % 4.5 to 11
24
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 26
41
Tensile Strength: Ultimate (UTS), MPa 310 to 400
310
Tensile Strength: Yield (Proof), MPa 270 to 380
180

Thermal Properties

Latent Heat of Fusion, J/g 400
190
Maximum Temperature: Mechanical, °C 180
170
Melting Completion (Liquidus), °C 640
990
Melting Onset (Solidus), °C 590
850
Specific Heat Capacity, J/kg-K 890
370
Thermal Conductivity, W/m-K 170
75
Thermal Expansion, µm/m-K 23
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 43
12
Electrical Conductivity: Equal Weight (Specific), % IACS 140
12

Otherwise Unclassified Properties

Base Metal Price, % relative 11
34
Density, g/cm3 2.8
8.7
Embodied Carbon, kg CO2/kg material 8.4
3.5
Embodied Energy, MJ/kg 150
56
Embodied Water, L/kg 1200
370

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 17 to 34
65
Resilience: Unit (Modulus of Resilience), kJ/m3 540 to 1040
150
Stiffness to Weight: Axial, points 14
7.0
Stiffness to Weight: Bending, points 49
18
Strength to Weight: Axial, points 31 to 40
10
Strength to Weight: Bending, points 36 to 43
12
Thermal Diffusivity, mm2/s 67
23
Thermal Shock Resistance, points 14 to 18
11

Alloy Composition

Aluminum (Al), % 94.4 to 98.2
0 to 0.0050
Antimony (Sb), % 0
0 to 0.020
Bismuth (Bi), % 0.5 to 1.5
0
Boron (B), % 0
0 to 0.1
Chromium (Cr), % 0 to 0.15
0
Copper (Cu), % 0.15 to 0.4
86 to 89
Iron (Fe), % 0 to 0.7
0 to 0.4
Lead (Pb), % 0 to 0.050
0 to 0.090
Magnesium (Mg), % 0.8 to 1.2
0
Manganese (Mn), % 0 to 0.15
0 to 0.010
Nickel (Ni), % 0
0 to 1.0
Phosphorus (P), % 0
0 to 0.050
Silicon (Si), % 0.4 to 0.8
0 to 0.0050
Sulfur (S), % 0
0.1 to 0.65
Tin (Sn), % 0
7.5 to 8.5
Titanium (Ti), % 0 to 0.1
0
Zinc (Zn), % 0 to 0.25
1.0 to 5.0
Zirconium (Zr), % 0 to 0.15
0 to 0.1
Residuals, % 0
0 to 0.7