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238.0 Aluminum vs. AWS ENiCrMo-3

238.0 aluminum belongs to the aluminum alloys classification, while AWS ENiCrMo-3 belongs to the nickel alloys. There are 24 material properties with values for both materials. Properties with values for just one material (5, 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 238.0 aluminum and the bottom bar is AWS ENiCrMo-3.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 76
200
Elongation at Break, % 1.5
34
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 28
79
Tensile Strength: Ultimate (UTS), MPa 210
870

Thermal Properties

Latent Heat of Fusion, J/g 430
330
Melting Completion (Liquidus), °C 600
1480
Melting Onset (Solidus), °C 510
1430
Specific Heat Capacity, J/kg-K 840
440
Thermal Conductivity, W/m-K 100
11
Thermal Expansion, µm/m-K 21
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
1.3
Electrical Conductivity: Equal Weight (Specific), % IACS 67
1.4

Otherwise Unclassified Properties

Base Metal Price, % relative 12
80
Density, g/cm3 3.4
8.6
Embodied Carbon, kg CO2/kg material 7.4
14
Embodied Energy, MJ/kg 140
190
Embodied Water, L/kg 1040
290

Common Calculations

Stiffness to Weight: Axial, points 12
13
Stiffness to Weight: Bending, points 42
23
Strength to Weight: Axial, points 17
28
Strength to Weight: Bending, points 23
24
Thermal Diffusivity, mm2/s 37
2.8
Thermal Shock Resistance, points 9.1
25

Alloy Composition

Aluminum (Al), % 81.9 to 84.9
0
Carbon (C), % 0
0 to 0.1
Chromium (Cr), % 0
20 to 23
Cobalt (Co), % 0
0 to 0.12
Copper (Cu), % 9.5 to 10.5
0 to 0.5
Iron (Fe), % 1.0 to 1.5
0 to 7.0
Magnesium (Mg), % 0 to 0.25
0
Manganese (Mn), % 0
0 to 1.0
Molybdenum (Mo), % 0
8.0 to 10
Nickel (Ni), % 0
55 to 68.9
Niobium (Nb), % 0
3.2 to 4.2
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 3.6 to 4.4
0 to 0.75
Sulfur (S), % 0
0 to 0.020
Zinc (Zn), % 1.0 to 1.5
0
Residuals, % 0
0 to 0.5