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7021 Aluminum vs. N07041 Nickel

7021 aluminum belongs to the aluminum alloys classification, while N07041 nickel 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 7021 aluminum and the bottom bar is N07041 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
220
Elongation at Break, % 9.4
14
Fatigue Strength, MPa 150
540
Shear Strength, MPa 270
850
Tensile Strength: Ultimate (UTS), MPa 460
1400
Tensile Strength: Yield (Proof), MPa 390
1050

Thermal Properties

Melting Onset (Solidus), °C 510
1320
Specific Heat Capacity, J/kg-K 870
450
Thermal Conductivity, W/m-K 150
11
Thermal Expansion, µm/m-K 24
12

Otherwise Unclassified Properties

Density, g/cm3 2.9
8.2

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 41
180
Resilience: Unit (Modulus of Resilience), kJ/m3 1110
2510
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 47
25
Strength to Weight: Axial, points 44
47
Strength to Weight: Bending, points 45
34
Thermal Diffusivity, mm2/s 59
3.0
Thermal Shock Resistance, points 20
38