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C61800 Bronze vs. 238.0 Aluminum

C61800 bronze belongs to the copper alloys classification, while 238.0 aluminum belongs to the aluminum alloys. They have a modest 21% of their average alloy composition in common, which, by itself, doesn't mean much. 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 C61800 bronze and the bottom bar is 238.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
76
Elongation at Break, % 26
1.5
Fatigue Strength, MPa 190
110
Poisson's Ratio 0.34
0.33
Shear Modulus, GPa 44
28
Tensile Strength: Ultimate (UTS), MPa 740
210
Tensile Strength: Yield (Proof), MPa 310
170

Thermal Properties

Latent Heat of Fusion, J/g 230
430
Maximum Temperature: Mechanical, °C 220
170
Melting Completion (Liquidus), °C 1050
600
Melting Onset (Solidus), °C 1040
510
Specific Heat Capacity, J/kg-K 440
840
Thermal Conductivity, W/m-K 64
100
Thermal Expansion, µm/m-K 18
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 13
25
Electrical Conductivity: Equal Weight (Specific), % IACS 14
67

Otherwise Unclassified Properties

Base Metal Price, % relative 28
12
Density, g/cm3 8.3
3.4
Embodied Carbon, kg CO2/kg material 3.1
7.4
Embodied Energy, MJ/kg 52
140
Embodied Water, L/kg 390
1040

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 150
2.9
Resilience: Unit (Modulus of Resilience), kJ/m3 420
180
Stiffness to Weight: Axial, points 7.5
12
Stiffness to Weight: Bending, points 19
42
Strength to Weight: Axial, points 25
17
Strength to Weight: Bending, points 22
23
Thermal Diffusivity, mm2/s 18
37
Thermal Shock Resistance, points 26
9.1

Alloy Composition

Aluminum (Al), % 8.5 to 11
81.9 to 84.9
Copper (Cu), % 86.9 to 91
9.5 to 10.5
Iron (Fe), % 0.5 to 1.5
1.0 to 1.5
Lead (Pb), % 0 to 0.020
0
Magnesium (Mg), % 0
0 to 0.25
Silicon (Si), % 0 to 0.1
3.6 to 4.4
Zinc (Zn), % 0 to 0.020
1.0 to 1.5
Residuals, % 0 to 0.5
0