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1080A Aluminum vs. AWS ERNiCu-7

1080A aluminum belongs to the aluminum alloys classification, while AWS ERNiCu-7 belongs to the nickel alloys. There are 24 material properties with values for both materials. Properties with values for just one material (7, 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 1080A aluminum and the bottom bar is AWS ERNiCu-7.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
160
Elongation at Break, % 2.3 to 34
34
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 26
61
Tensile Strength: Ultimate (UTS), MPa 74 to 140
550

Thermal Properties

Latent Heat of Fusion, J/g 400
280
Melting Completion (Liquidus), °C 640
1280
Melting Onset (Solidus), °C 640
1240
Specific Heat Capacity, J/kg-K 900
440
Thermal Conductivity, W/m-K 230
20
Thermal Expansion, µm/m-K 23
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 62
3.2
Electrical Conductivity: Equal Weight (Specific), % IACS 200
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
50
Density, g/cm3 2.7
8.7
Embodied Carbon, kg CO2/kg material 8.3
8.5
Embodied Energy, MJ/kg 160
120
Embodied Water, L/kg 1200
250

Common Calculations

Stiffness to Weight: Axial, points 14
10
Stiffness to Weight: Bending, points 50
21
Strength to Weight: Axial, points 7.6 to 15
18
Strength to Weight: Bending, points 14 to 22
17
Thermal Diffusivity, mm2/s 94
5.3
Thermal Shock Resistance, points 3.3 to 6.4
19

Alloy Composition

Aluminum (Al), % 99.8 to 100
0 to 1.3
Carbon (C), % 0
0 to 0.15
Copper (Cu), % 0 to 0.030
18.3 to 36.5
Gallium (Ga), % 0 to 0.030
0
Iron (Fe), % 0 to 0.15
0 to 2.5
Magnesium (Mg), % 0 to 0.020
0
Manganese (Mn), % 0 to 0.020
0 to 4.0
Nickel (Ni), % 0
62 to 69
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0 to 0.15
0 to 1.3
Sulfur (S), % 0
0 to 0.015
Titanium (Ti), % 0 to 0.020
1.5 to 3.0
Zinc (Zn), % 0 to 0.060
0
Residuals, % 0
0 to 0.5