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2218 Aluminum vs. N07041 Nickel

2218 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 (12, 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 2218 aluminum and the bottom bar is N07041 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 73
220
Elongation at Break, % 6.8 to 10
14
Fatigue Strength, MPa 110
540
Shear Strength, MPa 210 to 250
850
Tensile Strength: Ultimate (UTS), MPa 330 to 430
1400
Tensile Strength: Yield (Proof), MPa 260 to 310
1050

Thermal Properties

Melting Onset (Solidus), °C 510
1320
Specific Heat Capacity, J/kg-K 870
450
Thermal Conductivity, W/m-K 140
11
Thermal Expansion, µm/m-K 22
12

Otherwise Unclassified Properties

Density, g/cm3 3.1
8.2

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 27 to 31
180
Resilience: Unit (Modulus of Resilience), kJ/m3 450 to 650
2510
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 45
25
Strength to Weight: Axial, points 30 to 39
47
Strength to Weight: Bending, points 34 to 41
34
Thermal Diffusivity, mm2/s 52
3.0
Thermal Shock Resistance, points 15 to 19
38