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EN 2.4851 Nickel vs. 7022 Aluminum

EN 2.4851 nickel belongs to the nickel alloys classification, while 7022 aluminum belongs to the aluminum alloys. There are 30 material properties with values for both materials. Properties with values for just one material (1, 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 EN 2.4851 nickel and the bottom bar is 7022 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
70
Elongation at Break, % 34
6.3 to 8.0
Fatigue Strength, MPa 170
140 to 170
Poisson's Ratio 0.28
0.32
Shear Modulus, GPa 76
26
Shear Strength, MPa 430
290 to 320
Tensile Strength: Ultimate (UTS), MPa 650
490 to 540
Tensile Strength: Yield (Proof), MPa 230
390 to 460

Thermal Properties

Latent Heat of Fusion, J/g 320
380
Maximum Temperature: Mechanical, °C 1200
200
Melting Completion (Liquidus), °C 1360
640
Melting Onset (Solidus), °C 1310
480
Specific Heat Capacity, J/kg-K 470
870
Thermal Conductivity, W/m-K 11
140
Thermal Expansion, µm/m-K 14
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.4
21
Electrical Conductivity: Equal Weight (Specific), % IACS 1.6
65

Otherwise Unclassified Properties

Base Metal Price, % relative 49
10
Density, g/cm3 8.2
2.9
Embodied Carbon, kg CO2/kg material 8.1
8.5
Embodied Energy, MJ/kg 120
150
Embodied Water, L/kg 280
1130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 170
29 to 40
Resilience: Unit (Modulus of Resilience), kJ/m3 130
1100 to 1500
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 23
47
Strength to Weight: Axial, points 22
47 to 51
Strength to Weight: Bending, points 20
47 to 50
Thermal Diffusivity, mm2/s 2.9
54
Thermal Shock Resistance, points 17
21 to 23

Alloy Composition

Aluminum (Al), % 1.0 to 1.7
87.9 to 92.4
Boron (B), % 0 to 0.0060
0
Carbon (C), % 0.030 to 0.1
0
Chromium (Cr), % 21 to 25
0.1 to 0.3
Copper (Cu), % 0 to 0.5
0.5 to 1.0
Iron (Fe), % 7.7 to 18
0 to 0.5
Magnesium (Mg), % 0
2.6 to 3.7
Manganese (Mn), % 0 to 1.0
0.1 to 0.4
Nickel (Ni), % 58 to 63
0
Phosphorus (P), % 0 to 0.020
0
Silicon (Si), % 0 to 0.5
0 to 0.5
Sulfur (S), % 0 to 0.015
0
Titanium (Ti), % 0 to 0.5
0 to 0.2
Zinc (Zn), % 0
4.3 to 5.2
Zirconium (Zr), % 0
0 to 0.2
Residuals, % 0
0 to 0.15