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AWS ERNiCu-7 vs. EN AC-44000 Aluminum

AWS ERNiCu-7 belongs to the nickel alloys classification, while EN AC-44000 aluminum belongs to the aluminum 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 AWS ERNiCu-7 and the bottom bar is EN AC-44000 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 160
71
Elongation at Break, % 34
7.3
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 61
27
Tensile Strength: Ultimate (UTS), MPa 550
180

Thermal Properties

Latent Heat of Fusion, J/g 280
560
Melting Completion (Liquidus), °C 1280
590
Melting Onset (Solidus), °C 1240
590
Specific Heat Capacity, J/kg-K 440
910
Thermal Conductivity, W/m-K 20
140
Thermal Expansion, µm/m-K 13
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.2
36
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
130

Otherwise Unclassified Properties

Base Metal Price, % relative 50
9.5
Density, g/cm3 8.7
2.5
Embodied Carbon, kg CO2/kg material 8.5
7.8
Embodied Energy, MJ/kg 120
150
Embodied Water, L/kg 250
1070

Common Calculations

Stiffness to Weight: Axial, points 10
16
Stiffness to Weight: Bending, points 21
55
Strength to Weight: Axial, points 18
20
Strength to Weight: Bending, points 17
28
Thermal Diffusivity, mm2/s 5.3
61
Thermal Shock Resistance, points 19
8.4

Alloy Composition

Aluminum (Al), % 0 to 1.3
87.1 to 90
Carbon (C), % 0 to 0.15
0
Copper (Cu), % 18.3 to 36.5
0 to 0.050
Iron (Fe), % 0 to 2.5
0 to 0.19
Magnesium (Mg), % 0
0 to 0.45
Manganese (Mn), % 0 to 4.0
0 to 0.1
Nickel (Ni), % 62 to 69
0
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0 to 1.3
10 to 11.8
Sulfur (S), % 0 to 0.015
0
Titanium (Ti), % 1.5 to 3.0
0 to 0.15
Zinc (Zn), % 0
0 to 0.070
Residuals, % 0
0 to 0.1