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C15500 Copper vs. 1235 Aluminum

C15500 copper belongs to the copper alloys classification, while 1235 aluminum belongs to the aluminum alloys. 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 C15500 copper and the bottom bar is 1235 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
69
Elongation at Break, % 3.0 to 37
28 to 34
Poisson's Ratio 0.34
0.33
Shear Modulus, GPa 43
26
Shear Strength, MPa 190 to 320
52 to 56
Tensile Strength: Ultimate (UTS), MPa 280 to 550
80 to 84
Tensile Strength: Yield (Proof), MPa 130 to 530
23 to 57

Thermal Properties

Latent Heat of Fusion, J/g 210
400
Maximum Temperature: Mechanical, °C 200
170
Melting Completion (Liquidus), °C 1080
640
Melting Onset (Solidus), °C 1080
640
Specific Heat Capacity, J/kg-K 390
900
Thermal Conductivity, W/m-K 350
230
Thermal Expansion, µm/m-K 17
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 90
60
Electrical Conductivity: Equal Weight (Specific), % IACS 91
200

Otherwise Unclassified Properties

Base Metal Price, % relative 33
9.5
Density, g/cm3 8.9
2.7
Embodied Carbon, kg CO2/kg material 2.7
8.3
Embodied Energy, MJ/kg 42
160
Embodied Water, L/kg 360
1190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 15 to 84
17 to 25
Resilience: Unit (Modulus of Resilience), kJ/m3 72 to 1210
3.8 to 24
Stiffness to Weight: Axial, points 7.2
14
Stiffness to Weight: Bending, points 18
50
Strength to Weight: Axial, points 8.6 to 17
8.2 to 8.6
Strength to Weight: Bending, points 11 to 17
15 to 16
Thermal Diffusivity, mm2/s 100
93
Thermal Shock Resistance, points 9.8 to 20
3.6 to 3.7

Alloy Composition


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Aluminum (Al), % 0
99.35 to 100
Copper (Cu), % 99.75 to 99.853
0 to 0.050
Iron (Fe), % 0
0 to 0.65
Magnesium (Mg), % 0.080 to 0.13
0 to 0.050
Manganese (Mn), % 0
0 to 0.050
Phosphorus (P), % 0.040 to 0.080
0
Silicon (Si), % 0
0 to 0.65
Silver (Ag), % 0.027 to 0.1
0
Titanium (Ti), % 0
0 to 0.060
Vanadium (V), % 0
0 to 0.050
Zinc (Zn), % 0
0 to 0.1
Residuals, % 0 to 0.2
0