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1230A Aluminum vs. CC495K Bronze

1230A aluminum belongs to the aluminum alloys classification, while CC495K bronze belongs to the copper alloys. There are 28 material properties with values for both materials. Properties with values for just one material (3, 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 1230A aluminum and the bottom bar is CC495K bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
100
Elongation at Break, % 4.5 to 34
7.0
Poisson's Ratio 0.33
0.35
Shear Modulus, GPa 26
37
Tensile Strength: Ultimate (UTS), MPa 89 to 170
240
Tensile Strength: Yield (Proof), MPa 29 to 150
120

Thermal Properties

Latent Heat of Fusion, J/g 400
180
Maximum Temperature: Mechanical, °C 170
140
Melting Completion (Liquidus), °C 640
930
Melting Onset (Solidus), °C 640
820
Specific Heat Capacity, J/kg-K 900
350
Thermal Conductivity, W/m-K 230
48
Thermal Expansion, µm/m-K 23
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 60
10
Electrical Conductivity: Equal Weight (Specific), % IACS 200
10

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
33
Density, g/cm3 2.7
9.0
Embodied Carbon, kg CO2/kg material 8.2
3.6
Embodied Energy, MJ/kg 150
58
Embodied Water, L/kg 1190
400

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.4 to 23
14
Resilience: Unit (Modulus of Resilience), kJ/m3 5.9 to 150
68
Stiffness to Weight: Axial, points 14
6.2
Stiffness to Weight: Bending, points 50
17
Strength to Weight: Axial, points 9.1 to 17
7.3
Strength to Weight: Bending, points 16 to 25
9.4
Thermal Diffusivity, mm2/s 93
15
Thermal Shock Resistance, points 4.0 to 7.6
8.8

Alloy Composition

Aluminum (Al), % 99.3 to 100
0 to 0.010
Antimony (Sb), % 0
0 to 0.5
Copper (Cu), % 0 to 0.1
76 to 82
Iron (Fe), % 0 to 0.7
0 to 0.25
Lead (Pb), % 0
8.0 to 11
Magnesium (Mg), % 0 to 0.050
0
Manganese (Mn), % 0 to 0.050
0 to 0.2
Nickel (Ni), % 0
0 to 2.0
Phosphorus (P), % 0
0 to 0.1
Silicon (Si), % 0 to 0.7
0 to 0.010
Sulfur (S), % 0
0 to 0.1
Tin (Sn), % 0
9.0 to 11
Zinc (Zn), % 0 to 0.050
0 to 2.0