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EN AC-44000 Aluminum vs. AWS ERNiCrMo-2

EN AC-44000 aluminum belongs to the aluminum alloys classification, while AWS ERNiCrMo-2 belongs to the nickel alloys. There are 23 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 EN AC-44000 aluminum and the bottom bar is AWS ERNiCrMo-2.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
210
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 27
81
Tensile Strength: Ultimate (UTS), MPa 180
750

Thermal Properties

Latent Heat of Fusion, J/g 560
320
Melting Completion (Liquidus), °C 590
1460
Melting Onset (Solidus), °C 590
1410
Specific Heat Capacity, J/kg-K 910
450
Thermal Conductivity, W/m-K 140
11
Thermal Expansion, µm/m-K 21
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 36
1.5
Electrical Conductivity: Equal Weight (Specific), % IACS 130
1.6

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
55
Density, g/cm3 2.5
8.4
Embodied Carbon, kg CO2/kg material 7.8
9.2
Embodied Energy, MJ/kg 150
120
Embodied Water, L/kg 1070
270

Common Calculations

Stiffness to Weight: Axial, points 16
14
Stiffness to Weight: Bending, points 55
23
Strength to Weight: Axial, points 20
25
Strength to Weight: Bending, points 28
22
Thermal Diffusivity, mm2/s 61
2.9
Thermal Shock Resistance, points 8.4
20

Alloy Composition

Aluminum (Al), % 87.1 to 90
0
Carbon (C), % 0
0.050 to 0.15
Chromium (Cr), % 0
20.5 to 23
Cobalt (Co), % 0
0.5 to 2.5
Copper (Cu), % 0 to 0.050
0 to 0.5
Iron (Fe), % 0 to 0.19
17 to 20
Magnesium (Mg), % 0 to 0.45
0
Manganese (Mn), % 0 to 0.1
0 to 1.0
Molybdenum (Mo), % 0
8.0 to 10
Nickel (Ni), % 0
40.3 to 53.8
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 10 to 11.8
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 0 to 0.15
0
Tungsten (W), % 0
0.2 to 1.0
Zinc (Zn), % 0 to 0.070
0
Residuals, % 0
0 to 0.5