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7010 Aluminum vs. AWS ENiCrMo-3

7010 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 (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 7010 aluminum and the bottom bar is AWS ENiCrMo-3.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
200
Elongation at Break, % 3.9 to 6.8
34
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 26
79
Tensile Strength: Ultimate (UTS), MPa 520 to 590
870

Thermal Properties

Latent Heat of Fusion, J/g 380
330
Melting Completion (Liquidus), °C 630
1480
Melting Onset (Solidus), °C 480
1430
Specific Heat Capacity, J/kg-K 860
440
Thermal Conductivity, W/m-K 150
11
Thermal Expansion, µm/m-K 24
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 40
1.3
Electrical Conductivity: Equal Weight (Specific), % IACS 120
1.4

Otherwise Unclassified Properties

Base Metal Price, % relative 10
80
Density, g/cm3 3.0
8.6
Embodied Carbon, kg CO2/kg material 8.3
14
Embodied Energy, MJ/kg 150
190
Embodied Water, L/kg 1120
290

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 45
23
Strength to Weight: Axial, points 47 to 54
28
Strength to Weight: Bending, points 47 to 52
24
Thermal Diffusivity, mm2/s 58
2.8
Thermal Shock Resistance, points 22 to 26
25

Alloy Composition

Aluminum (Al), % 87.9 to 90.6
0
Carbon (C), % 0
0 to 0.1
Chromium (Cr), % 0 to 0.050
20 to 23
Cobalt (Co), % 0
0 to 0.12
Copper (Cu), % 1.5 to 2.0
0 to 0.5
Iron (Fe), % 0 to 0.15
0 to 7.0
Magnesium (Mg), % 2.1 to 2.6
0
Manganese (Mn), % 0 to 0.1
0 to 1.0
Molybdenum (Mo), % 0
8.0 to 10
Nickel (Ni), % 0 to 0.050
55 to 68.9
Niobium (Nb), % 0
3.2 to 4.2
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0 to 0.12
0 to 0.75
Sulfur (S), % 0
0 to 0.020
Titanium (Ti), % 0 to 0.060
0
Zinc (Zn), % 5.7 to 6.7
0
Zirconium (Zr), % 0.1 to 0.16
0
Residuals, % 0
0 to 0.5