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851.0 Aluminum vs. C96300 Copper-nickel

851.0 aluminum belongs to the aluminum alloys classification, while C96300 copper-nickel belongs to the copper alloys. There are 25 material properties with values for both materials. Properties with values for just one material (5, 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 851.0 aluminum and the bottom bar is C96300 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
130
Elongation at Break, % 3.9 to 9.1
11
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
49
Tensile Strength: Ultimate (UTS), MPa 130 to 140
580

Thermal Properties

Latent Heat of Fusion, J/g 410
230
Maximum Temperature: Mechanical, °C 180
240
Melting Completion (Liquidus), °C 630
1200
Melting Onset (Solidus), °C 360
1150
Specific Heat Capacity, J/kg-K 850
400
Thermal Conductivity, W/m-K 180
37
Thermal Expansion, µm/m-K 23
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 46
6.0
Electrical Conductivity: Equal Weight (Specific), % IACS 140
6.1

Otherwise Unclassified Properties

Base Metal Price, % relative 14
42
Density, g/cm3 3.1
8.9
Embodied Carbon, kg CO2/kg material 8.4
5.1
Embodied Energy, MJ/kg 160
76
Embodied Water, L/kg 1140
290

Common Calculations

Stiffness to Weight: Axial, points 13
8.2
Stiffness to Weight: Bending, points 45
19
Strength to Weight: Axial, points 12 to 13
18
Strength to Weight: Bending, points 19 to 20
17
Thermal Diffusivity, mm2/s 69
10
Thermal Shock Resistance, points 6.1 to 6.3
20

Alloy Composition

Aluminum (Al), % 86.6 to 91.5
0
Carbon (C), % 0
0 to 0.15
Copper (Cu), % 0.7 to 1.3
72.3 to 80.8
Iron (Fe), % 0 to 0.7
0.5 to 1.5
Lead (Pb), % 0
0 to 0.010
Magnesium (Mg), % 0 to 0.1
0
Manganese (Mn), % 0 to 0.1
0.25 to 1.5
Nickel (Ni), % 0.3 to 0.7
18 to 22
Niobium (Nb), % 0
0.5 to 1.5
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 2.0 to 3.0
0 to 0.5
Sulfur (S), % 0
0 to 0.020
Tin (Sn), % 5.5 to 7.0
0
Titanium (Ti), % 0 to 0.2
0
Residuals, % 0
0 to 0.5