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7003 Aluminum vs. AWS ERNiMo-3

7003 aluminum belongs to the aluminum alloys classification, while AWS ERNiMo-3 belongs to the nickel alloys. There are 19 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 7003 aluminum and the bottom bar is AWS ERNiMo-3.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
220
Poisson's Ratio 0.32
0.3
Shear Modulus, GPa 26
83
Tensile Strength: Ultimate (UTS), MPa 350 to 390
770

Thermal Properties

Latent Heat of Fusion, J/g 380
320
Melting Completion (Liquidus), °C 630
1600
Melting Onset (Solidus), °C 510
1540
Specific Heat Capacity, J/kg-K 870
400
Thermal Expansion, µm/m-K 24
11

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
70
Density, g/cm3 2.9
9.1
Embodied Carbon, kg CO2/kg material 8.1
15
Embodied Energy, MJ/kg 150
190
Embodied Water, L/kg 1140
270

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 47
22
Strength to Weight: Axial, points 33 to 37
24
Strength to Weight: Bending, points 37 to 40
21
Thermal Shock Resistance, points 15 to 17
24

Alloy Composition

Aluminum (Al), % 90.6 to 94.5
0
Carbon (C), % 0
0 to 0.12
Chromium (Cr), % 0 to 0.2
4.0 to 6.0
Cobalt (Co), % 0
0 to 2.5
Copper (Cu), % 0 to 0.2
0 to 0.5
Iron (Fe), % 0 to 0.35
4.0 to 7.0
Magnesium (Mg), % 0.5 to 1.0
0
Manganese (Mn), % 0 to 0.3
0 to 1.0
Molybdenum (Mo), % 0
23 to 26
Nickel (Ni), % 0
53.7 to 69
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 0.3
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 0 to 0.2
0
Tungsten (W), % 0
0 to 1.0
Vanadium (V), % 0
0 to 0.6
Zinc (Zn), % 5.0 to 6.5
0
Zirconium (Zr), % 0.050 to 0.25
0
Residuals, % 0
0 to 0.5