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CC491K Bronze vs. 238.0 Aluminum

CC491K bronze belongs to the copper alloys classification, while 238.0 aluminum belongs to the aluminum alloys. There are 28 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 CC491K 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, % 13
1.5
Poisson's Ratio 0.34
0.33
Shear Modulus, GPa 40
28
Tensile Strength: Ultimate (UTS), MPa 260
210
Tensile Strength: Yield (Proof), MPa 120
170

Thermal Properties

Latent Heat of Fusion, J/g 190
430
Maximum Temperature: Mechanical, °C 160
170
Melting Completion (Liquidus), °C 980
600
Melting Onset (Solidus), °C 900
510
Specific Heat Capacity, J/kg-K 370
840
Thermal Conductivity, W/m-K 71
100
Thermal Expansion, µm/m-K 19
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 15
25
Electrical Conductivity: Equal Weight (Specific), % IACS 15
67

Otherwise Unclassified Properties

Base Metal Price, % relative 31
12
Density, g/cm3 8.9
3.4
Embodied Carbon, kg CO2/kg material 3.1
7.4
Embodied Energy, MJ/kg 51
140
Embodied Water, L/kg 350
1040

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 27
2.9
Resilience: Unit (Modulus of Resilience), kJ/m3 67
180
Stiffness to Weight: Axial, points 6.7
12
Stiffness to Weight: Bending, points 18
42
Strength to Weight: Axial, points 8.1
17
Strength to Weight: Bending, points 10
23
Thermal Diffusivity, mm2/s 22
37
Thermal Shock Resistance, points 9.3
9.1

Alloy Composition

Aluminum (Al), % 0 to 0.010
81.9 to 84.9
Antimony (Sb), % 0 to 0.25
0
Copper (Cu), % 81 to 87
9.5 to 10.5
Iron (Fe), % 0 to 0.3
1.0 to 1.5
Lead (Pb), % 4.0 to 6.0
0
Magnesium (Mg), % 0
0 to 0.25
Nickel (Ni), % 0 to 2.0
0
Phosphorus (P), % 0 to 0.1
0
Silicon (Si), % 0 to 0.010
3.6 to 4.4
Sulfur (S), % 0 to 0.1
0
Tin (Sn), % 4.0 to 6.0
0
Zinc (Zn), % 4.0 to 6.0
1.0 to 1.5