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384.0 Aluminum vs. AWS ERNiCrMo-3

384.0 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 (7, 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 384.0 aluminum and the bottom bar is AWS ERNiCrMo-3.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 74
200
Elongation at Break, % 2.5
34
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 28
79
Tensile Strength: Ultimate (UTS), MPa 330
870

Thermal Properties

Latent Heat of Fusion, J/g 550
330
Melting Completion (Liquidus), °C 580
1480
Melting Onset (Solidus), °C 530
1430
Specific Heat Capacity, J/kg-K 870
440
Thermal Conductivity, W/m-K 96
11
Thermal Expansion, µm/m-K 21
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 22
1.3
Electrical Conductivity: Equal Weight (Specific), % IACS 69
1.4

Otherwise Unclassified Properties

Base Metal Price, % relative 11
80
Density, g/cm3 2.9
8.6
Embodied Carbon, kg CO2/kg material 7.4
14
Embodied Energy, MJ/kg 140
190
Embodied Water, L/kg 1010
290

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 49
23
Strength to Weight: Axial, points 32
28
Strength to Weight: Bending, points 37
24
Thermal Diffusivity, mm2/s 39
2.8
Thermal Shock Resistance, points 15
25

Alloy Composition

Aluminum (Al), % 77.3 to 86.5
0 to 0.4
Carbon (C), % 0
0 to 0.010
Chromium (Cr), % 0
20 to 23
Copper (Cu), % 3.0 to 4.5
0 to 0.5
Iron (Fe), % 0 to 1.3
0 to 5.0
Magnesium (Mg), % 0 to 0.1
0
Manganese (Mn), % 0 to 0.5
0 to 0.5
Molybdenum (Mo), % 0
8.0 to 10
Nickel (Ni), % 0 to 0.5
58 to 68.9
Niobium (Nb), % 0
3.2 to 4.2
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 10.5 to 12
0 to 0.5
Sulfur (S), % 0
0 to 0.015
Tin (Sn), % 0 to 0.35
0
Titanium (Ti), % 0
0 to 0.4
Zinc (Zn), % 0 to 3.0
0
Residuals, % 0
0 to 0.5