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CC382H Copper-nickel vs. 7475 Aluminum

CC382H copper-nickel belongs to the copper alloys classification, while 7475 aluminum belongs to the aluminum 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 CC382H copper-nickel and the bottom bar is 7475 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 140
70
Elongation at Break, % 20
10 to 12
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 53
26
Tensile Strength: Ultimate (UTS), MPa 490
530 to 590
Tensile Strength: Yield (Proof), MPa 290
440 to 520

Thermal Properties

Latent Heat of Fusion, J/g 240
380
Maximum Temperature: Mechanical, °C 260
180
Melting Completion (Liquidus), °C 1180
640
Melting Onset (Solidus), °C 1120
480
Specific Heat Capacity, J/kg-K 410
870
Thermal Conductivity, W/m-K 30
140 to 160
Thermal Expansion, µm/m-K 15
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 5.5
33 to 42
Electrical Conductivity: Equal Weight (Specific), % IACS 5.6
98 to 120

Otherwise Unclassified Properties

Base Metal Price, % relative 41
10
Density, g/cm3 8.9
3.0
Embodied Carbon, kg CO2/kg material 5.2
8.2
Embodied Energy, MJ/kg 76
150
Embodied Water, L/kg 290
1130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 85
53 to 68
Resilience: Unit (Modulus of Resilience), kJ/m3 290
1390 to 1920
Stiffness to Weight: Axial, points 8.8
13
Stiffness to Weight: Bending, points 20
46
Strength to Weight: Axial, points 15
49 to 55
Strength to Weight: Bending, points 16
48 to 52
Thermal Diffusivity, mm2/s 8.2
53 to 63
Thermal Shock Resistance, points 16
23 to 26

Alloy Composition


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Aluminum (Al), % 0 to 0.010
88.6 to 91.6
Bismuth (Bi), % 0 to 0.0020
0
Boron (B), % 0 to 0.010
0
Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 1.5 to 2.0
0.18 to 0.25
Copper (Cu), % 62.8 to 68.4
1.2 to 1.9
Iron (Fe), % 0.5 to 1.0
0 to 0.12
Lead (Pb), % 0 to 0.0050
0
Magnesium (Mg), % 0 to 0.010
1.9 to 2.6
Manganese (Mn), % 0.5 to 1.0
0 to 0.060
Nickel (Ni), % 29 to 32
0
Phosphorus (P), % 0 to 0.010
0
Selenium (Se), % 0 to 0.0050
0
Silicon (Si), % 0.15 to 0.5
0 to 0.1
Sulfur (S), % 0 to 0.010
0
Tellurium (Te), % 0 to 0.0050
0
Titanium (Ti), % 0 to 0.25
0 to 0.060
Zinc (Zn), % 0 to 0.2
5.1 to 6.2
Zirconium (Zr), % 0 to 0.15
0
Residuals, % 0
0 to 0.15