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2011 Aluminum vs. AWS ERNiCrMo-3

2011 aluminum belongs to the aluminum alloys classification, while AWS ERNiCrMo-3 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 2011 aluminum and the bottom bar is AWS ERNiCrMo-3.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
200
Elongation at Break, % 8.5 to 18
34
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 27
79
Tensile Strength: Ultimate (UTS), MPa 310 to 420
870

Thermal Properties

Latent Heat of Fusion, J/g 390
330
Melting Completion (Liquidus), °C 640
1480
Melting Onset (Solidus), °C 540
1430
Specific Heat Capacity, J/kg-K 870
440
Thermal Conductivity, W/m-K 140 to 170
11
Thermal Expansion, µm/m-K 23
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 35 to 45
1.3
Electrical Conductivity: Equal Weight (Specific), % IACS 100 to 130
1.4

Otherwise Unclassified Properties

Base Metal Price, % relative 11
80
Density, g/cm3 3.1
8.6
Embodied Carbon, kg CO2/kg material 7.9
14
Embodied Energy, MJ/kg 150
190
Embodied Water, L/kg 1150
290

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 44
23
Strength to Weight: Axial, points 27 to 37
28
Strength to Weight: Bending, points 32 to 40
24
Thermal Diffusivity, mm2/s 51 to 64
2.8
Thermal Shock Resistance, points 14 to 19
25

Alloy Composition


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Aluminum (Al), % 91.3 to 94.6
0 to 0.4
Bismuth (Bi), % 0.2 to 0.6
0
Carbon (C), % 0
0 to 0.010
Chromium (Cr), % 0
20 to 23
Copper (Cu), % 5.0 to 6.0
0 to 0.5
Iron (Fe), % 0 to 0.7
0 to 5.0
Lead (Pb), % 0.2 to 0.6
0
Manganese (Mn), % 0
0 to 0.5
Molybdenum (Mo), % 0
8.0 to 10
Nickel (Ni), % 0
58 to 68.9
Niobium (Nb), % 0
3.2 to 4.2
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 0 to 0.4
0 to 0.5
Sulfur (S), % 0
0 to 0.015
Titanium (Ti), % 0
0 to 0.4
Zinc (Zn), % 0 to 0.3
0
Residuals, % 0 to 0.15
0 to 0.5