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238.0 Aluminum vs. AWS ERNiCrMo-4

238.0 aluminum belongs to the aluminum alloys classification, while AWS ERNiCrMo-4 belongs to the nickel alloys. There are 20 material properties with values for both materials. Properties with values for just one material (9, 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 ERNiCrMo-4.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 76
220
Elongation at Break, % 1.5
28
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 28
84
Tensile Strength: Ultimate (UTS), MPa 210
790

Thermal Properties

Latent Heat of Fusion, J/g 430
310
Melting Completion (Liquidus), °C 600
1590
Melting Onset (Solidus), °C 510
1530
Specific Heat Capacity, J/kg-K 840
410
Thermal Expansion, µm/m-K 21
12

Otherwise Unclassified Properties

Base Metal Price, % relative 12
70
Density, g/cm3 3.4
9.0
Embodied Carbon, kg CO2/kg material 7.4
13
Embodied Energy, MJ/kg 140
170
Embodied Water, L/kg 1040
280

Common Calculations

Stiffness to Weight: Axial, points 12
13
Stiffness to Weight: Bending, points 42
22
Strength to Weight: Axial, points 17
24
Strength to Weight: Bending, points 23
21
Thermal Shock Resistance, points 9.1
22

Alloy Composition

Aluminum (Al), % 81.9 to 84.9
0
Carbon (C), % 0
0 to 0.020
Chromium (Cr), % 0
14.5 to 16.5
Cobalt (Co), % 0
0 to 2.5
Copper (Cu), % 9.5 to 10.5
0 to 0.5
Iron (Fe), % 1.0 to 1.5
4.0 to 7.0
Magnesium (Mg), % 0 to 0.25
0
Manganese (Mn), % 0
0 to 1.0
Molybdenum (Mo), % 0
15 to 17
Nickel (Ni), % 0
50 to 63.5
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 3.6 to 4.4
0 to 0.080
Sulfur (S), % 0
0 to 0.030
Tungsten (W), % 0
3.0 to 4.5
Vanadium (V), % 0
0 to 0.35
Zinc (Zn), % 1.0 to 1.5
0
Residuals, % 0
0 to 0.5