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AWS ERNi-1 vs. EN AC-44000 Aluminum

AWS ERNi-1 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 ERNi-1 and the bottom bar is EN AC-44000 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 180
71
Elongation at Break, % 22
7.3
Poisson's Ratio 0.31
0.33
Shear Modulus, GPa 69
27
Tensile Strength: Ultimate (UTS), MPa 470
180

Thermal Properties

Latent Heat of Fusion, J/g 300
560
Melting Completion (Liquidus), °C 1360
590
Melting Onset (Solidus), °C 1310
590
Specific Heat Capacity, J/kg-K 450
910
Thermal Conductivity, W/m-K 73
140
Thermal Expansion, µm/m-K 11
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 19
36
Electrical Conductivity: Equal Weight (Specific), % IACS 19
130

Otherwise Unclassified Properties

Base Metal Price, % relative 60
9.5
Density, g/cm3 8.7
2.5
Embodied Carbon, kg CO2/kg material 11
7.8
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 230
1070

Common Calculations

Stiffness to Weight: Axial, points 12
16
Stiffness to Weight: Bending, points 22
55
Strength to Weight: Axial, points 15
20
Strength to Weight: Bending, points 15
28
Thermal Diffusivity, mm2/s 19
61
Thermal Shock Resistance, points 17
8.4

Alloy Composition

Aluminum (Al), % 0 to 1.5
87.1 to 90
Carbon (C), % 0 to 0.15
0
Copper (Cu), % 0 to 0.25
0 to 0.050
Iron (Fe), % 0 to 1.0
0 to 0.19
Magnesium (Mg), % 0
0 to 0.45
Manganese (Mn), % 0 to 1.0
0 to 0.1
Nickel (Ni), % 93 to 98
0
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0 to 0.75
10 to 11.8
Sulfur (S), % 0 to 0.015
0
Titanium (Ti), % 2.0 to 3.5
0 to 0.15
Zinc (Zn), % 0
0 to 0.070
Residuals, % 0
0 to 0.1