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CC491K Bronze vs. 3105 Aluminum

CC491K bronze belongs to the copper alloys classification, while 3105 aluminum belongs to the aluminum alloys. There are 29 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 CC491K bronze and the bottom bar is 3105 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 73
29 to 67
Elastic (Young's, Tensile) Modulus, GPa 110
69
Elongation at Break, % 13
1.1 to 20
Poisson's Ratio 0.34
0.33
Shear Modulus, GPa 40
26
Tensile Strength: Ultimate (UTS), MPa 260
120 to 240
Tensile Strength: Yield (Proof), MPa 120
46 to 220

Thermal Properties

Latent Heat of Fusion, J/g 190
400
Maximum Temperature: Mechanical, °C 160
180
Melting Completion (Liquidus), °C 980
660
Melting Onset (Solidus), °C 900
640
Specific Heat Capacity, J/kg-K 370
900
Thermal Conductivity, W/m-K 71
170
Thermal Expansion, µm/m-K 19
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 15
44
Electrical Conductivity: Equal Weight (Specific), % IACS 15
140

Otherwise Unclassified Properties

Base Metal Price, % relative 31
9.5
Density, g/cm3 8.9
2.8
Embodied Carbon, kg CO2/kg material 3.1
8.2
Embodied Energy, MJ/kg 51
150
Embodied Water, L/kg 350
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 27
2.6 to 19
Resilience: Unit (Modulus of Resilience), kJ/m3 67
15 to 340
Stiffness to Weight: Axial, points 6.7
14
Stiffness to Weight: Bending, points 18
50
Strength to Weight: Axial, points 8.1
12 to 24
Strength to Weight: Bending, points 10
20 to 31
Thermal Diffusivity, mm2/s 22
68
Thermal Shock Resistance, points 9.3
5.2 to 11

Alloy Composition

Aluminum (Al), % 0 to 0.010
96 to 99.5
Antimony (Sb), % 0 to 0.25
0
Chromium (Cr), % 0
0 to 0.2
Copper (Cu), % 81 to 87
0 to 0.3
Iron (Fe), % 0 to 0.3
0 to 0.7
Lead (Pb), % 4.0 to 6.0
0
Magnesium (Mg), % 0
0.2 to 0.8
Manganese (Mn), % 0
0.3 to 0.8
Nickel (Ni), % 0 to 2.0
0
Phosphorus (P), % 0 to 0.1
0
Silicon (Si), % 0 to 0.010
0 to 0.6
Sulfur (S), % 0 to 0.1
0
Tin (Sn), % 4.0 to 6.0
0
Titanium (Ti), % 0
0 to 0.1
Zinc (Zn), % 4.0 to 6.0
0 to 0.4
Residuals, % 0
0 to 0.15