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4006 Aluminum vs. C87700 Bronze

4006 aluminum belongs to the aluminum alloys classification, while C87700 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 4006 aluminum and the bottom bar is C87700 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
110
Elongation at Break, % 3.4 to 24
3.6
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
42
Tensile Strength: Ultimate (UTS), MPa 110 to 160
300
Tensile Strength: Yield (Proof), MPa 62 to 140
120

Thermal Properties

Latent Heat of Fusion, J/g 410
250
Maximum Temperature: Mechanical, °C 160
180
Melting Completion (Liquidus), °C 640
980
Melting Onset (Solidus), °C 620
900
Specific Heat Capacity, J/kg-K 900
400
Thermal Conductivity, W/m-K 220
120
Thermal Expansion, µm/m-K 23
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 56
45
Electrical Conductivity: Equal Weight (Specific), % IACS 180
48

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
29
Density, g/cm3 2.7
8.5
Embodied Carbon, kg CO2/kg material 8.1
2.7
Embodied Energy, MJ/kg 150
45
Embodied Water, L/kg 1180
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 5.1 to 26
8.6
Resilience: Unit (Modulus of Resilience), kJ/m3 28 to 130
64
Stiffness to Weight: Axial, points 14
7.4
Stiffness to Weight: Bending, points 50
19
Strength to Weight: Axial, points 11 to 16
9.8
Strength to Weight: Bending, points 19 to 24
12
Thermal Diffusivity, mm2/s 89
34
Thermal Shock Resistance, points 4.9 to 7.0
11

Alloy Composition

Aluminum (Al), % 97.4 to 98.7
0
Antimony (Sb), % 0
0 to 0.1
Chromium (Cr), % 0 to 0.2
0
Copper (Cu), % 0 to 0.1
87.5 to 90.5
Iron (Fe), % 0.5 to 0.8
0 to 0.5
Lead (Pb), % 0
0 to 0.090
Magnesium (Mg), % 0 to 0.010
0
Manganese (Mn), % 0 to 0.050
0 to 0.8
Nickel (Ni), % 0
0 to 0.25
Phosphorus (P), % 0
0 to 0.15
Silicon (Si), % 0.8 to 1.2
2.5 to 3.5
Tin (Sn), % 0
0 to 2.0
Zinc (Zn), % 0 to 0.050
7.0 to 9.0
Residuals, % 0
0 to 0.8