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851.0 Aluminum vs. AWS ENiCrMo-4

851.0 aluminum belongs to the aluminum alloys classification, while AWS ENiCrMo-4 belongs to the nickel alloys. There are 20 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 851.0 aluminum and the bottom bar is AWS ENiCrMo-4.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
220
Elongation at Break, % 3.9 to 9.1
28
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
84
Tensile Strength: Ultimate (UTS), MPa 130 to 140
790

Thermal Properties

Latent Heat of Fusion, J/g 410
320
Melting Completion (Liquidus), °C 630
1590
Melting Onset (Solidus), °C 360
1530
Specific Heat Capacity, J/kg-K 850
410
Thermal Expansion, µm/m-K 23
12

Otherwise Unclassified Properties

Base Metal Price, % relative 14
70
Density, g/cm3 3.1
9.0
Embodied Carbon, kg CO2/kg material 8.4
13
Embodied Energy, MJ/kg 160
170
Embodied Water, L/kg 1140
280

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 45
22
Strength to Weight: Axial, points 12 to 13
24
Strength to Weight: Bending, points 19 to 20
21
Thermal Shock Resistance, points 6.1 to 6.3
22

Alloy Composition

Aluminum (Al), % 86.6 to 91.5
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), % 0.7 to 1.3
0 to 0.5
Iron (Fe), % 0 to 0.7
4.0 to 7.0
Magnesium (Mg), % 0 to 0.1
0
Manganese (Mn), % 0 to 0.1
0 to 1.0
Molybdenum (Mo), % 0
15 to 17
Nickel (Ni), % 0.3 to 0.7
49.9 to 63.5
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 2.0 to 3.0
0 to 0.2
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 5.5 to 7.0
0
Titanium (Ti), % 0 to 0.2
0
Tungsten (W), % 0
3.0 to 4.5
Vanadium (V), % 0
0 to 0.35
Residuals, % 0
0 to 0.5