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6262 Aluminum vs. CC381H Copper-nickel

6262 aluminum belongs to the aluminum alloys classification, while CC381H copper-nickel 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 6262 aluminum and the bottom bar is CC381H copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
140
Elongation at Break, % 4.6 to 10
20
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
52
Tensile Strength: Ultimate (UTS), MPa 290 to 390
380
Tensile Strength: Yield (Proof), MPa 270 to 360
140

Thermal Properties

Latent Heat of Fusion, J/g 400
240
Maximum Temperature: Mechanical, °C 160
260
Melting Completion (Liquidus), °C 650
1180
Melting Onset (Solidus), °C 580
1120
Specific Heat Capacity, J/kg-K 890
410
Thermal Conductivity, W/m-K 170
30
Thermal Expansion, µm/m-K 23
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 44
6.8
Electrical Conductivity: Equal Weight (Specific), % IACS 140
6.9

Otherwise Unclassified Properties

Base Metal Price, % relative 10
40
Density, g/cm3 2.8
8.9
Embodied Carbon, kg CO2/kg material 8.3
5.0
Embodied Energy, MJ/kg 150
73
Embodied Water, L/kg 1190
280

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 17 to 31
60
Resilience: Unit (Modulus of Resilience), kJ/m3 530 to 940
68
Stiffness to Weight: Axial, points 13
8.6
Stiffness to Weight: Bending, points 48
19
Strength to Weight: Axial, points 29 to 39
12
Strength to Weight: Bending, points 35 to 42
13
Thermal Diffusivity, mm2/s 69
8.4
Thermal Shock Resistance, points 13 to 18
13

Alloy Composition

Aluminum (Al), % 94.7 to 97.8
0 to 0.010
Bismuth (Bi), % 0.4 to 0.7
0
Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0.040 to 0.14
0
Copper (Cu), % 0.15 to 0.4
64.5 to 69.9
Iron (Fe), % 0 to 0.7
0.5 to 1.5
Lead (Pb), % 0.4 to 0.7
0 to 0.030
Magnesium (Mg), % 0.8 to 1.2
0
Manganese (Mn), % 0 to 0.15
0.6 to 1.2
Nickel (Ni), % 0
29 to 31
Phosphorus (P), % 0
0 to 0.010
Silicon (Si), % 0.4 to 0.8
0 to 0.1
Sulfur (S), % 0
0 to 0.010
Titanium (Ti), % 0 to 0.15
0
Zinc (Zn), % 0 to 0.25
0 to 0.5
Residuals, % 0 to 0.15
0