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AWS ENiCrFe-3 vs. 7049 Aluminum

AWS ENiCrFe-3 belongs to the nickel alloys classification, while 7049 aluminum belongs to the aluminum alloys. There are 20 material properties with values for both materials. Properties with values for just one material (11, 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 AWS ENiCrFe-3 and the bottom bar is 7049 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
70
Elongation at Break, % 34
6.2 to 7.0
Poisson's Ratio 0.3
0.32
Shear Modulus, GPa 74
27
Tensile Strength: Ultimate (UTS), MPa 630
510 to 530

Thermal Properties

Latent Heat of Fusion, J/g 310
370
Melting Completion (Liquidus), °C 1370
640
Melting Onset (Solidus), °C 1320
480
Specific Heat Capacity, J/kg-K 460
860
Thermal Expansion, µm/m-K 13
23

Otherwise Unclassified Properties

Base Metal Price, % relative 65
10
Density, g/cm3 8.4
3.1
Embodied Carbon, kg CO2/kg material 11
8.1
Embodied Energy, MJ/kg 150
140
Embodied Water, L/kg 260
1110

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 23
45
Strength to Weight: Axial, points 21
46 to 47
Strength to Weight: Bending, points 19
46 to 47
Thermal Shock Resistance, points 18
22 to 23

Alloy Composition

Aluminum (Al), % 0
85.7 to 89.5
Carbon (C), % 0 to 0.1
0
Chromium (Cr), % 13 to 17
0.1 to 0.22
Cobalt (Co), % 0 to 0.12
0
Copper (Cu), % 0 to 0.5
1.2 to 1.9
Iron (Fe), % 0 to 10
0 to 0.35
Magnesium (Mg), % 0
2.0 to 2.9
Manganese (Mn), % 5.0 to 9.5
0 to 0.2
Nickel (Ni), % 52 to 81
0
Niobium (Nb), % 1.0 to 2.5
0
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0 to 1.0
0 to 0.25
Sulfur (S), % 0 to 0.015
0
Tantalum (Ta), % 0 to 0.3
0
Titanium (Ti), % 0 to 1.0
0 to 0.1
Zinc (Zn), % 0
7.2 to 8.2
Residuals, % 0
0 to 0.15