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4006 Aluminum vs. C67000 Bronze

4006 aluminum belongs to the aluminum alloys classification, while C67000 bronze belongs to the copper alloys. There are 29 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 4006 aluminum and the bottom bar is C67000 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
110
Elongation at Break, % 3.4 to 24
5.6 to 11
Poisson's Ratio 0.33
0.31
Shear Modulus, GPa 26
42
Shear Strength, MPa 70 to 91
390 to 510
Tensile Strength: Ultimate (UTS), MPa 110 to 160
660 to 880
Tensile Strength: Yield (Proof), MPa 62 to 140
350 to 540

Thermal Properties

Latent Heat of Fusion, J/g 410
190
Maximum Temperature: Mechanical, °C 160
160
Melting Completion (Liquidus), °C 640
900
Melting Onset (Solidus), °C 620
850
Specific Heat Capacity, J/kg-K 900
410
Thermal Conductivity, W/m-K 220
99
Thermal Expansion, µm/m-K 23
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 56
22
Electrical Conductivity: Equal Weight (Specific), % IACS 180
25

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
23
Density, g/cm3 2.7
7.9
Embodied Carbon, kg CO2/kg material 8.1
2.9
Embodied Energy, MJ/kg 150
49
Embodied Water, L/kg 1180
350

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 5.1 to 26
43 to 62
Resilience: Unit (Modulus of Resilience), kJ/m3 28 to 130
560 to 1290
Stiffness to Weight: Axial, points 14
7.8
Stiffness to Weight: Bending, points 50
20
Strength to Weight: Axial, points 11 to 16
23 to 31
Strength to Weight: Bending, points 19 to 24
21 to 26
Thermal Diffusivity, mm2/s 89
30
Thermal Shock Resistance, points 4.9 to 7.0
21 to 29

Alloy Composition

Aluminum (Al), % 97.4 to 98.7
3.0 to 6.0
Chromium (Cr), % 0 to 0.2
0
Copper (Cu), % 0 to 0.1
63 to 68
Iron (Fe), % 0.5 to 0.8
2.0 to 4.0
Lead (Pb), % 0
0 to 0.2
Magnesium (Mg), % 0 to 0.010
0
Manganese (Mn), % 0 to 0.050
2.5 to 5.0
Silicon (Si), % 0.8 to 1.2
0
Tin (Sn), % 0
0 to 0.5
Zinc (Zn), % 0 to 0.050
21.8 to 32.5
Residuals, % 0
0 to 0.5