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7010 Aluminum vs. AWS ERNiCrMo-2

7010 aluminum belongs to the aluminum alloys classification, while AWS ERNiCrMo-2 belongs to the nickel alloys. There are 23 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 7010 aluminum and the bottom bar is AWS ERNiCrMo-2.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
210
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 26
81
Tensile Strength: Ultimate (UTS), MPa 520 to 590
750

Thermal Properties

Latent Heat of Fusion, J/g 380
320
Melting Completion (Liquidus), °C 630
1460
Melting Onset (Solidus), °C 480
1410
Specific Heat Capacity, J/kg-K 860
450
Thermal Conductivity, W/m-K 150
11
Thermal Expansion, µm/m-K 24
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 40
1.5
Electrical Conductivity: Equal Weight (Specific), % IACS 120
1.6

Otherwise Unclassified Properties

Base Metal Price, % relative 10
55
Density, g/cm3 3.0
8.4
Embodied Carbon, kg CO2/kg material 8.3
9.2
Embodied Energy, MJ/kg 150
120
Embodied Water, L/kg 1120
270

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 45
23
Strength to Weight: Axial, points 47 to 54
25
Strength to Weight: Bending, points 47 to 52
22
Thermal Diffusivity, mm2/s 58
2.9
Thermal Shock Resistance, points 22 to 26
20

Alloy Composition

Aluminum (Al), % 87.9 to 90.6
0
Carbon (C), % 0
0.050 to 0.15
Chromium (Cr), % 0 to 0.050
20.5 to 23
Cobalt (Co), % 0
0.5 to 2.5
Copper (Cu), % 1.5 to 2.0
0 to 0.5
Iron (Fe), % 0 to 0.15
17 to 20
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
40.3 to 53.8
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 0.12
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 0 to 0.060
0
Tungsten (W), % 0
0.2 to 1.0
Zinc (Zn), % 5.7 to 6.7
0
Zirconium (Zr), % 0.1 to 0.16
0
Residuals, % 0
0 to 0.5