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6063A Aluminum vs. C86700 Bronze

6063A aluminum belongs to the aluminum alloys classification, while C86700 bronze belongs to the copper alloys. There are 28 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 6063A aluminum and the bottom bar is C86700 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
110
Elongation at Break, % 6.7 to 18
17
Poisson's Ratio 0.33
0.31
Shear Modulus, GPa 26
41
Tensile Strength: Ultimate (UTS), MPa 130 to 260
630
Tensile Strength: Yield (Proof), MPa 55 to 200
250

Thermal Properties

Latent Heat of Fusion, J/g 400
180
Maximum Temperature: Mechanical, °C 160
130
Melting Completion (Liquidus), °C 640
880
Melting Onset (Solidus), °C 620
860
Specific Heat Capacity, J/kg-K 900
400
Thermal Conductivity, W/m-K 200
89
Thermal Expansion, µm/m-K 23
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 49 to 54
17
Electrical Conductivity: Equal Weight (Specific), % IACS 160 to 180
19

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
23
Density, g/cm3 2.7
7.9
Embodied Carbon, kg CO2/kg material 8.3
2.9
Embodied Energy, MJ/kg 150
49
Embodied Water, L/kg 1190
340

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 13 to 21
86
Resilience: Unit (Modulus of Resilience), kJ/m3 22 to 280
290
Stiffness to Weight: Axial, points 14
7.5
Stiffness to Weight: Bending, points 50
20
Strength to Weight: Axial, points 13 to 26
22
Strength to Weight: Bending, points 21 to 33
21
Thermal Diffusivity, mm2/s 83
28
Thermal Shock Resistance, points 5.6 to 11
21

Alloy Composition


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Aluminum (Al), % 97.5 to 99
1.0 to 3.0
Chromium (Cr), % 0 to 0.050
0
Copper (Cu), % 0 to 0.1
55 to 60
Iron (Fe), % 0.15 to 0.35
1.0 to 3.0
Lead (Pb), % 0
0.5 to 1.5
Magnesium (Mg), % 0.6 to 0.9
0
Manganese (Mn), % 0 to 0.15
1.0 to 3.5
Nickel (Ni), % 0
0 to 1.0
Silicon (Si), % 0.3 to 0.6
0
Tin (Sn), % 0
0 to 1.5
Titanium (Ti), % 0 to 0.1
0
Zinc (Zn), % 0 to 0.15
30 to 38
Residuals, % 0 to 0.15
0 to 1.0