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2618A Aluminum vs. C96300 Copper-nickel

2618A aluminum belongs to the aluminum alloys classification, while C96300 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 2618A aluminum and the bottom bar is C96300 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 72
130
Elongation at Break, % 4.5
11
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 27
49
Tensile Strength: Ultimate (UTS), MPa 440
580
Tensile Strength: Yield (Proof), MPa 410
430

Thermal Properties

Latent Heat of Fusion, J/g 390
230
Maximum Temperature: Mechanical, °C 230
240
Melting Completion (Liquidus), °C 670
1200
Melting Onset (Solidus), °C 560
1150
Specific Heat Capacity, J/kg-K 880
400
Thermal Conductivity, W/m-K 150
37
Thermal Expansion, µm/m-K 23
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 37
6.0
Electrical Conductivity: Equal Weight (Specific), % IACS 110
6.1

Otherwise Unclassified Properties

Base Metal Price, % relative 11
42
Density, g/cm3 3.0
8.9
Embodied Carbon, kg CO2/kg material 8.4
5.1
Embodied Energy, MJ/kg 150
76
Embodied Water, L/kg 1150
290

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 19
59
Resilience: Unit (Modulus of Resilience), kJ/m3 1180
720
Stiffness to Weight: Axial, points 13
8.2
Stiffness to Weight: Bending, points 47
19
Strength to Weight: Axial, points 41
18
Strength to Weight: Bending, points 44
17
Thermal Diffusivity, mm2/s 59
10
Thermal Shock Resistance, points 19
20

Alloy Composition

Aluminum (Al), % 91.5 to 95.2
0
Carbon (C), % 0
0 to 0.15
Copper (Cu), % 1.8 to 2.7
72.3 to 80.8
Iron (Fe), % 0.9 to 1.4
0.5 to 1.5
Lead (Pb), % 0
0 to 0.010
Magnesium (Mg), % 1.2 to 1.8
0
Manganese (Mn), % 0 to 0.25
0.25 to 1.5
Nickel (Ni), % 0.8 to 1.4
18 to 22
Niobium (Nb), % 0
0.5 to 1.5
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 0.15 to 0.25
0 to 0.5
Sulfur (S), % 0
0 to 0.020
Titanium (Ti), % 0 to 0.2
0
Zinc (Zn), % 0 to 0.15
0
Zirconium (Zr), % 0 to 0.25
0
Residuals, % 0
0 to 0.5