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4006 Aluminum vs. C51900 Bronze

4006 aluminum belongs to the aluminum alloys classification, while C51900 bronze belongs to the copper alloys. There are 29 material properties with values for both materials. Properties with values for just one material (4, 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 C51900 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
110
Elongation at Break, % 3.4 to 24
14 to 29
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 26
42
Shear Strength, MPa 70 to 91
320 to 370
Tensile Strength: Ultimate (UTS), MPa 110 to 160
380 to 620
Tensile Strength: Yield (Proof), MPa 62 to 140
390 to 570

Thermal Properties

Latent Heat of Fusion, J/g 410
200
Maximum Temperature: Mechanical, °C 160
180
Melting Completion (Liquidus), °C 640
1040
Melting Onset (Solidus), °C 620
930
Specific Heat Capacity, J/kg-K 900
380
Thermal Conductivity, W/m-K 220
66
Thermal Expansion, µm/m-K 23
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 56
14
Electrical Conductivity: Equal Weight (Specific), % IACS 180
14

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
33
Density, g/cm3 2.7
8.8
Embodied Carbon, kg CO2/kg material 8.1
3.2
Embodied Energy, MJ/kg 150
51
Embodied Water, L/kg 1180
360

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 5.1 to 26
55 to 180
Resilience: Unit (Modulus of Resilience), kJ/m3 28 to 130
680 to 1450
Stiffness to Weight: Axial, points 14
7.0
Stiffness to Weight: Bending, points 50
18
Strength to Weight: Axial, points 11 to 16
12 to 19
Strength to Weight: Bending, points 19 to 24
13 to 18
Thermal Diffusivity, mm2/s 89
20
Thermal Shock Resistance, points 4.9 to 7.0
14 to 22

Alloy Composition

Aluminum (Al), % 97.4 to 98.7
0
Chromium (Cr), % 0 to 0.2
0
Copper (Cu), % 0 to 0.1
91.7 to 95
Iron (Fe), % 0.5 to 0.8
0 to 0.1
Lead (Pb), % 0
0 to 0.050
Magnesium (Mg), % 0 to 0.010
0
Manganese (Mn), % 0 to 0.050
0
Phosphorus (P), % 0
0.030 to 0.35
Silicon (Si), % 0.8 to 1.2
0
Tin (Sn), % 0
5.0 to 7.0
Zinc (Zn), % 0 to 0.050
0 to 0.3
Residuals, % 0
0 to 0.5