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1235 Aluminum vs. CR016A Copper

1235 aluminum belongs to the aluminum alloys classification, while CR016A copper 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 1235 aluminum and the bottom bar is CR016A copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
120
Elongation at Break, % 28 to 34
15
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 26
43
Tensile Strength: Ultimate (UTS), MPa 80 to 84
230
Tensile Strength: Yield (Proof), MPa 23 to 57
140

Thermal Properties

Latent Heat of Fusion, J/g 400
210
Maximum Temperature: Mechanical, °C 170
200
Melting Completion (Liquidus), °C 640
1090
Melting Onset (Solidus), °C 640
1040
Specific Heat Capacity, J/kg-K 900
390
Thermal Conductivity, W/m-K 230
390
Thermal Expansion, µm/m-K 23
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 60
98
Electrical Conductivity: Equal Weight (Specific), % IACS 200
99

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
35
Density, g/cm3 2.7
9.0
Embodied Carbon, kg CO2/kg material 8.3
2.7
Embodied Energy, MJ/kg 160
42
Embodied Water, L/kg 1190
390

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 17 to 25
31
Resilience: Unit (Modulus of Resilience), kJ/m3 3.8 to 24
83
Stiffness to Weight: Axial, points 14
7.2
Stiffness to Weight: Bending, points 50
18
Strength to Weight: Axial, points 8.2 to 8.6
7.1
Strength to Weight: Bending, points 15 to 16
9.3
Thermal Diffusivity, mm2/s 93
110
Thermal Shock Resistance, points 3.6 to 3.7
8.1

Alloy Composition

Aluminum (Al), % 99.35 to 100
0
Bismuth (Bi), % 0
0 to 0.00050
Copper (Cu), % 0 to 0.050
99.843 to 99.919
Iron (Fe), % 0 to 0.65
0
Magnesium (Mg), % 0 to 0.050
0
Manganese (Mn), % 0 to 0.050
0
Phosphorus (P), % 0
0.0010 to 0.0070
Silicon (Si), % 0 to 0.65
0
Silver (Ag), % 0
0.080 to 0.12
Titanium (Ti), % 0 to 0.060
0
Vanadium (V), % 0 to 0.050
0
Zinc (Zn), % 0 to 0.1
0