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6262A Aluminum vs. C70700 Copper-nickel

6262A aluminum belongs to the aluminum alloys classification, while C70700 copper-nickel belongs to the copper 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 6262A aluminum and the bottom bar is C70700 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
120
Elongation at Break, % 4.5 to 11
39
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 26
46
Shear Strength, MPa 190 to 240
220
Tensile Strength: Ultimate (UTS), MPa 310 to 410
320
Tensile Strength: Yield (Proof), MPa 270 to 370
110

Thermal Properties

Latent Heat of Fusion, J/g 400
220
Maximum Temperature: Mechanical, °C 160
220
Melting Completion (Liquidus), °C 640
1120
Melting Onset (Solidus), °C 580
1060
Specific Heat Capacity, J/kg-K 890
390
Thermal Conductivity, W/m-K 170
59
Thermal Expansion, µm/m-K 23
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 45
11
Electrical Conductivity: Equal Weight (Specific), % IACS 140
12

Otherwise Unclassified Properties

Base Metal Price, % relative 11
34
Density, g/cm3 2.8
8.9
Embodied Carbon, kg CO2/kg material 8.4
3.4
Embodied Energy, MJ/kg 150
52
Embodied Water, L/kg 1190
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 17 to 34
100
Resilience: Unit (Modulus of Resilience), kJ/m3 540 to 1000
51
Stiffness to Weight: Axial, points 14
7.6
Stiffness to Weight: Bending, points 49
19
Strength to Weight: Axial, points 31 to 41
10
Strength to Weight: Bending, points 36 to 44
12
Thermal Diffusivity, mm2/s 67
17
Thermal Shock Resistance, points 14 to 18
12

Alloy Composition

Aluminum (Al), % 94.2 to 97.8
0
Bismuth (Bi), % 0.4 to 0.9
0
Chromium (Cr), % 0.040 to 0.14
0
Copper (Cu), % 0.15 to 0.4
88.5 to 90.5
Iron (Fe), % 0 to 0.7
0 to 0.050
Magnesium (Mg), % 0.8 to 1.2
0
Manganese (Mn), % 0 to 0.15
0 to 0.5
Nickel (Ni), % 0
9.5 to 10.5
Silicon (Si), % 0.4 to 0.8
0
Tin (Sn), % 0.4 to 1.0
0
Titanium (Ti), % 0 to 0.1
0
Zinc (Zn), % 0 to 0.25
0
Residuals, % 0
0 to 0.5