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C61800 Bronze vs. A242.0 Aluminum

C61800 bronze belongs to the copper alloys classification, while A242.0 aluminum belongs to the aluminum alloys. There are 25 material properties with values for both materials. Properties with values for just one material (7, 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 C61800 bronze and the bottom bar is A242.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
73
Elongation at Break, % 26
1.6
Poisson's Ratio 0.34
0.33
Shear Modulus, GPa 44
27
Tensile Strength: Ultimate (UTS), MPa 740
220

Thermal Properties

Latent Heat of Fusion, J/g 230
390
Maximum Temperature: Mechanical, °C 220
210
Melting Completion (Liquidus), °C 1050
680
Melting Onset (Solidus), °C 1040
550
Specific Heat Capacity, J/kg-K 440
870
Thermal Conductivity, W/m-K 64
140
Thermal Expansion, µm/m-K 18
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 13
37
Electrical Conductivity: Equal Weight (Specific), % IACS 14
110

Otherwise Unclassified Properties

Base Metal Price, % relative 28
12
Density, g/cm3 8.3
3.1
Embodied Carbon, kg CO2/kg material 3.1
8.3
Embodied Energy, MJ/kg 52
150
Embodied Water, L/kg 390
1130

Common Calculations

Stiffness to Weight: Axial, points 7.5
13
Stiffness to Weight: Bending, points 19
45
Strength to Weight: Axial, points 25
20
Strength to Weight: Bending, points 22
26
Thermal Diffusivity, mm2/s 18
52
Thermal Shock Resistance, points 26
9.3

Alloy Composition

Aluminum (Al), % 8.5 to 11
89.3 to 93.1
Chromium (Cr), % 0
0.15 to 0.25
Copper (Cu), % 86.9 to 91
3.7 to 4.5
Iron (Fe), % 0.5 to 1.5
0 to 0.8
Lead (Pb), % 0 to 0.020
0
Magnesium (Mg), % 0
1.2 to 1.7
Manganese (Mn), % 0
0 to 0.1
Nickel (Ni), % 0
1.8 to 2.3
Silicon (Si), % 0 to 0.1
0 to 0.6
Titanium (Ti), % 0
0.070 to 0.2
Zinc (Zn), % 0 to 0.020
0 to 0.1
Residuals, % 0
0 to 0.15