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C61800 Bronze vs. 6018 Aluminum

C61800 bronze belongs to the copper alloys classification, while 6018 aluminum belongs to the aluminum alloys. There are 30 material properties with values for both materials. Properties with values for just one material (1, 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 6018 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
69
Elongation at Break, % 26
9.0 to 9.1
Fatigue Strength, MPa 190
85 to 89
Poisson's Ratio 0.34
0.33
Shear Modulus, GPa 44
26
Shear Strength, MPa 310
170 to 180
Tensile Strength: Ultimate (UTS), MPa 740
290 to 300
Tensile Strength: Yield (Proof), MPa 310
220 to 230

Thermal Properties

Latent Heat of Fusion, J/g 230
400
Maximum Temperature: Mechanical, °C 220
160
Melting Completion (Liquidus), °C 1050
640
Melting Onset (Solidus), °C 1040
570
Specific Heat Capacity, J/kg-K 440
890
Thermal Conductivity, W/m-K 64
170
Thermal Expansion, µm/m-K 18
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 13
44
Electrical Conductivity: Equal Weight (Specific), % IACS 14
140

Otherwise Unclassified Properties

Base Metal Price, % relative 28
10
Density, g/cm3 8.3
2.9
Embodied Carbon, kg CO2/kg material 3.1
8.2
Embodied Energy, MJ/kg 52
150
Embodied Water, L/kg 390
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 150
24 to 25
Resilience: Unit (Modulus of Resilience), kJ/m3 420
360 to 380
Stiffness to Weight: Axial, points 7.5
13
Stiffness to Weight: Bending, points 19
48
Strength to Weight: Axial, points 25
28 to 29
Strength to Weight: Bending, points 22
34 to 35
Thermal Diffusivity, mm2/s 18
65
Thermal Shock Resistance, points 26
13

Alloy Composition

Aluminum (Al), % 8.5 to 11
93.1 to 97.8
Bismuth (Bi), % 0
0.4 to 0.7
Chromium (Cr), % 0
0 to 0.1
Copper (Cu), % 86.9 to 91
0.15 to 0.4
Iron (Fe), % 0.5 to 1.5
0 to 0.7
Lead (Pb), % 0 to 0.020
0.4 to 1.2
Magnesium (Mg), % 0
0.6 to 1.2
Manganese (Mn), % 0
0.3 to 0.8
Silicon (Si), % 0 to 0.1
0.5 to 1.2
Titanium (Ti), % 0
0 to 0.2
Zinc (Zn), % 0 to 0.020
0 to 0.3
Residuals, % 0
0 to 0.15