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A384.0 Aluminum vs. AWS ENiCu-7

A384.0 aluminum belongs to the aluminum alloys classification, while AWS ENiCu-7 belongs to the nickel alloys. There are 24 material properties with values for both materials. Properties with values for just one material (6, 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 A384.0 aluminum and the bottom bar is AWS ENiCu-7.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 74
160
Elongation at Break, % 2.5
34
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 28
62
Tensile Strength: Ultimate (UTS), MPa 330
550

Thermal Properties

Latent Heat of Fusion, J/g 550
280
Melting Completion (Liquidus), °C 610
1270
Melting Onset (Solidus), °C 510
1230
Specific Heat Capacity, J/kg-K 880
430
Thermal Conductivity, W/m-K 96
21
Thermal Expansion, µm/m-K 21
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 23
3.3
Electrical Conductivity: Equal Weight (Specific), % IACS 73
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 11
50
Density, g/cm3 2.8
8.7
Embodied Carbon, kg CO2/kg material 7.5
8.0
Embodied Energy, MJ/kg 140
110
Embodied Water, L/kg 1010
250

Common Calculations

Stiffness to Weight: Axial, points 15
10
Stiffness to Weight: Bending, points 50
21
Strength to Weight: Axial, points 32
17
Strength to Weight: Bending, points 38
17
Thermal Diffusivity, mm2/s 39
5.5
Thermal Shock Resistance, points 15
18

Alloy Composition

Aluminum (Al), % 79.3 to 86.5
0 to 0.75
Carbon (C), % 0
0 to 0.1
Copper (Cu), % 3.0 to 4.5
20.6 to 38
Iron (Fe), % 0 to 1.3
0 to 2.5
Magnesium (Mg), % 0 to 0.1
0
Manganese (Mn), % 0 to 0.5
0 to 4.0
Nickel (Ni), % 0 to 0.5
62 to 69
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 10.5 to 12
0 to 1.5
Sulfur (S), % 0
0 to 0.015
Tin (Sn), % 0 to 0.35
0
Titanium (Ti), % 0
0 to 1.0
Zinc (Zn), % 0 to 1.0
0
Residuals, % 0
0 to 0.5