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238.0 Aluminum vs. CC498K Bronze

238.0 aluminum belongs to the aluminum alloys classification, while CC498K bronze belongs to the copper 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 238.0 aluminum and the bottom bar is CC498K bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 76
110
Elongation at Break, % 1.5
14
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 28
41
Tensile Strength: Ultimate (UTS), MPa 210
260
Tensile Strength: Yield (Proof), MPa 170
130

Thermal Properties

Latent Heat of Fusion, J/g 430
190
Maximum Temperature: Mechanical, °C 170
170
Melting Completion (Liquidus), °C 600
1000
Melting Onset (Solidus), °C 510
920
Specific Heat Capacity, J/kg-K 840
370
Thermal Conductivity, W/m-K 100
73
Thermal Expansion, µm/m-K 21
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
10
Electrical Conductivity: Equal Weight (Specific), % IACS 67
10

Otherwise Unclassified Properties

Base Metal Price, % relative 12
32
Density, g/cm3 3.4
8.8
Embodied Carbon, kg CO2/kg material 7.4
3.2
Embodied Energy, MJ/kg 140
52
Embodied Water, L/kg 1040
360

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.9
30
Resilience: Unit (Modulus of Resilience), kJ/m3 180
72
Stiffness to Weight: Axial, points 12
6.9
Stiffness to Weight: Bending, points 42
18
Strength to Weight: Axial, points 17
8.1
Strength to Weight: Bending, points 23
10
Thermal Diffusivity, mm2/s 37
22
Thermal Shock Resistance, points 9.1
9.3

Alloy Composition

Aluminum (Al), % 81.9 to 84.9
0 to 0.010
Antimony (Sb), % 0
0 to 0.25
Copper (Cu), % 9.5 to 10.5
85 to 90
Iron (Fe), % 1.0 to 1.5
0 to 0.25
Lead (Pb), % 0
1.0 to 2.0
Magnesium (Mg), % 0 to 0.25
0
Nickel (Ni), % 0
0 to 1.0
Phosphorus (P), % 0
0 to 0.050
Silicon (Si), % 3.6 to 4.4
0 to 0.010
Sulfur (S), % 0
0 to 0.1
Tin (Sn), % 0
5.5 to 6.5
Zinc (Zn), % 1.0 to 1.5
3.0 to 5.0