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3105 Aluminum vs. AWS ERNiCr-3

3105 aluminum belongs to the aluminum alloys classification, while AWS ERNiCr-3 belongs to the nickel alloys. There are 20 material properties with values for both materials. Properties with values for just one material (12, 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 3105 aluminum and the bottom bar is AWS ERNiCr-3.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
190
Elongation at Break, % 1.1 to 20
34
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
75
Tensile Strength: Ultimate (UTS), MPa 120 to 240
630

Thermal Properties

Latent Heat of Fusion, J/g 400
320
Melting Completion (Liquidus), °C 660
1380
Melting Onset (Solidus), °C 640
1330
Specific Heat Capacity, J/kg-K 900
460
Thermal Expansion, µm/m-K 24
13

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
70
Density, g/cm3 2.8
8.4
Embodied Carbon, kg CO2/kg material 8.2
11
Embodied Energy, MJ/kg 150
160
Embodied Water, L/kg 1180
280

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
23
Strength to Weight: Axial, points 12 to 24
21
Strength to Weight: Bending, points 20 to 31
19
Thermal Shock Resistance, points 5.2 to 11
18

Alloy Composition

Aluminum (Al), % 96 to 99.5
0
Carbon (C), % 0
0 to 0.1
Chromium (Cr), % 0 to 0.2
18 to 22
Cobalt (Co), % 0
0 to 0.12
Copper (Cu), % 0 to 0.3
0 to 0.5
Iron (Fe), % 0 to 0.7
0 to 3.0
Magnesium (Mg), % 0.2 to 0.8
0
Manganese (Mn), % 0.3 to 0.8
2.5 to 3.5
Nickel (Ni), % 0
67 to 77.5
Niobium (Nb), % 0
2.0 to 3.0
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0 to 0.6
0 to 0.5
Sulfur (S), % 0
0 to 0.015
Titanium (Ti), % 0 to 0.1
0 to 0.75
Zinc (Zn), % 0 to 0.4
0
Residuals, % 0
0 to 0.5