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7003 Aluminum vs. Nickel 689

7003 aluminum belongs to the aluminum alloys classification, while nickel 689 belongs to the nickel alloys. There are 26 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 nickel 689.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
210
Elongation at Break, % 11
23
Fatigue Strength, MPa 130 to 150
420
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 26
80
Shear Strength, MPa 210 to 230
790
Tensile Strength: Ultimate (UTS), MPa 350 to 390
1250
Tensile Strength: Yield (Proof), MPa 300 to 310
690

Thermal Properties

Latent Heat of Fusion, J/g 380
330
Maximum Temperature: Mechanical, °C 200
990
Melting Completion (Liquidus), °C 630
1440
Melting Onset (Solidus), °C 510
1390
Specific Heat Capacity, J/kg-K 870
450
Thermal Expansion, µm/m-K 24
12

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
70
Density, g/cm3 2.9
8.5
Embodied Carbon, kg CO2/kg material 8.1
11
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1140
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 37 to 41
240
Resilience: Unit (Modulus of Resilience), kJ/m3 630 to 710
1170
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 47
23
Strength to Weight: Axial, points 33 to 37
41
Strength to Weight: Bending, points 37 to 40
30
Thermal Shock Resistance, points 15 to 17
35

Alloy Composition

Aluminum (Al), % 90.6 to 94.5
0.75 to 1.3
Boron (B), % 0
0.0030 to 0.010
Carbon (C), % 0
0.1 to 0.2
Chromium (Cr), % 0 to 0.2
18 to 20
Cobalt (Co), % 0
9.0 to 11
Copper (Cu), % 0 to 0.2
0
Iron (Fe), % 0 to 0.35
0 to 5.0
Magnesium (Mg), % 0.5 to 1.0
0
Manganese (Mn), % 0 to 0.3
0 to 0.5
Molybdenum (Mo), % 0
9.0 to 10.5
Nickel (Ni), % 0
48.3 to 60.9
Phosphorus (P), % 0
0 to 0.015
Silicon (Si), % 0 to 0.3
0 to 0.5
Sulfur (S), % 0
0 to 0.015
Titanium (Ti), % 0 to 0.2
2.3 to 2.8
Zinc (Zn), % 5.0 to 6.5
0
Zirconium (Zr), % 0.050 to 0.25
0
Residuals, % 0 to 0.15
0