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CC494K Bronze vs. 8021 Aluminum

CC494K bronze belongs to the copper alloys classification, while 8021 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 CC494K bronze and the bottom bar is 8021 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
70
Elongation at Break, % 7.6
2.3
Poisson's Ratio 0.35
0.33
Shear Modulus, GPa 39
26
Tensile Strength: Ultimate (UTS), MPa 210
160
Tensile Strength: Yield (Proof), MPa 94
130

Thermal Properties

Latent Heat of Fusion, J/g 180
400
Maximum Temperature: Mechanical, °C 160
170
Melting Completion (Liquidus), °C 970
650
Melting Onset (Solidus), °C 890
640
Specific Heat Capacity, J/kg-K 360
900
Thermal Conductivity, W/m-K 63
220
Thermal Expansion, µm/m-K 19
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 16
56
Electrical Conductivity: Equal Weight (Specific), % IACS 16
180

Otherwise Unclassified Properties

Base Metal Price, % relative 31
9.0
Density, g/cm3 9.1
2.8
Embodied Carbon, kg CO2/kg material 3.1
8.1
Embodied Energy, MJ/kg 50
150
Embodied Water, L/kg 360
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 13
3.4
Resilience: Unit (Modulus of Resilience), kJ/m3 43
130
Stiffness to Weight: Axial, points 6.4
14
Stiffness to Weight: Bending, points 17
49
Strength to Weight: Axial, points 6.5
16
Strength to Weight: Bending, points 8.8
23
Thermal Diffusivity, mm2/s 19
88
Thermal Shock Resistance, points 7.8
7.0

Alloy Composition

Aluminum (Al), % 0 to 0.010
98 to 98.8
Antimony (Sb), % 0 to 0.5
0
Copper (Cu), % 78 to 87
0 to 0.050
Iron (Fe), % 0 to 0.25
1.2 to 1.7
Lead (Pb), % 8.0 to 10
0
Manganese (Mn), % 0 to 0.2
0
Nickel (Ni), % 0 to 2.0
0
Phosphorus (P), % 0 to 0.1
0
Silicon (Si), % 0 to 0.010
0 to 0.15
Sulfur (S), % 0 to 0.1
0
Tin (Sn), % 4.0 to 6.0
0
Zinc (Zn), % 0 to 2.0
0
Residuals, % 0
0 to 0.15