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7003 Aluminum vs. AWS ERNiCrMo-10

7003 aluminum belongs to the aluminum alloys classification, while AWS ERNiCrMo-10 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 7003 aluminum and the bottom bar is AWS ERNiCrMo-10.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
220
Elongation at Break, % 11
28
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 26
84
Tensile Strength: Ultimate (UTS), MPa 350 to 390
790

Thermal Properties

Latent Heat of Fusion, J/g 380
320
Melting Completion (Liquidus), °C 630
1550
Melting Onset (Solidus), °C 510
1490
Specific Heat Capacity, J/kg-K 870
420
Thermal Conductivity, W/m-K 150
10
Thermal Expansion, µm/m-K 24
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 36
1.5
Electrical Conductivity: Equal Weight (Specific), % IACS 110
1.5

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
70
Density, g/cm3 2.9
8.9
Embodied Carbon, kg CO2/kg material 8.1
12
Embodied Energy, MJ/kg 150
160
Embodied Water, L/kg 1140
300

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 47
23
Strength to Weight: Axial, points 33 to 37
25
Strength to Weight: Bending, points 37 to 40
21
Thermal Diffusivity, mm2/s 59
2.7
Thermal Shock Resistance, points 15 to 17
21

Alloy Composition

Aluminum (Al), % 90.6 to 94.5
0
Carbon (C), % 0
0 to 0.015
Chromium (Cr), % 0 to 0.2
20 to 22.5
Cobalt (Co), % 0
0 to 2.5
Copper (Cu), % 0 to 0.2
0 to 0.5
Iron (Fe), % 0 to 0.35
2.0 to 6.0
Magnesium (Mg), % 0.5 to 1.0
0
Manganese (Mn), % 0 to 0.3
0 to 0.5
Molybdenum (Mo), % 0
12.5 to 14.5
Nickel (Ni), % 0
49 to 63
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 0 to 0.3
0 to 0.080
Sulfur (S), % 0
0 to 0.010
Titanium (Ti), % 0 to 0.2
0
Tungsten (W), % 0
2.5 to 3.5
Vanadium (V), % 0
0 to 0.35
Zinc (Zn), % 5.0 to 6.5
0
Zirconium (Zr), % 0.050 to 0.25
0
Residuals, % 0
0 to 0.5