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2011A Aluminum vs. AWS ERNi-1

2011A aluminum belongs to the aluminum alloys classification, while AWS ERNi-1 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 2011A aluminum and the bottom bar is AWS ERNi-1.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
180
Elongation at Break, % 6.8 to 16
22
Poisson's Ratio 0.33
0.31
Shear Modulus, GPa 26
69
Tensile Strength: Ultimate (UTS), MPa 310 to 410
470

Thermal Properties

Latent Heat of Fusion, J/g 390
300
Melting Completion (Liquidus), °C 660
1360
Melting Onset (Solidus), °C 550
1310
Specific Heat Capacity, J/kg-K 870
450
Thermal Conductivity, W/m-K 130
73
Thermal Expansion, µm/m-K 23
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 33
19
Electrical Conductivity: Equal Weight (Specific), % IACS 96
19

Otherwise Unclassified Properties

Base Metal Price, % relative 11
60
Density, g/cm3 3.1
8.7
Embodied Carbon, kg CO2/kg material 7.9
11
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1150
230

Common Calculations

Stiffness to Weight: Axial, points 13
12
Stiffness to Weight: Bending, points 44
22
Strength to Weight: Axial, points 28 to 37
15
Strength to Weight: Bending, points 33 to 40
15
Thermal Diffusivity, mm2/s 49
19
Thermal Shock Resistance, points 14 to 18
17

Alloy Composition

Aluminum (Al), % 91.5 to 95.1
0 to 1.5
Bismuth (Bi), % 0.2 to 0.6
0
Carbon (C), % 0
0 to 0.15
Copper (Cu), % 4.5 to 6.0
0 to 0.25
Iron (Fe), % 0 to 0.5
0 to 1.0
Lead (Pb), % 0.2 to 0.6
0
Manganese (Mn), % 0
0 to 1.0
Nickel (Ni), % 0
93 to 98
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0 to 0.4
0 to 0.75
Sulfur (S), % 0
0 to 0.015
Titanium (Ti), % 0
2.0 to 3.5
Zinc (Zn), % 0 to 0.3
0
Residuals, % 0
0 to 0.5