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EN 2.4851 Nickel vs. 8021 Aluminum

EN 2.4851 nickel belongs to the nickel alloys classification, while 8021 aluminum belongs to the aluminum alloys. There are 29 material properties with values for both materials. Properties with values for just one material (2, 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 8021 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
70
Elongation at Break, % 34
2.3
Fatigue Strength, MPa 170
61
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 76
26
Tensile Strength: Ultimate (UTS), MPa 650
160
Tensile Strength: Yield (Proof), MPa 230
130

Thermal Properties

Latent Heat of Fusion, J/g 320
400
Maximum Temperature: Mechanical, °C 1200
170
Melting Completion (Liquidus), °C 1360
650
Melting Onset (Solidus), °C 1310
640
Specific Heat Capacity, J/kg-K 470
900
Thermal Conductivity, W/m-K 11
220
Thermal Expansion, µm/m-K 14
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.4
56
Electrical Conductivity: Equal Weight (Specific), % IACS 1.6
180

Otherwise Unclassified Properties

Base Metal Price, % relative 49
9.0
Density, g/cm3 8.2
2.8
Embodied Carbon, kg CO2/kg material 8.1
8.1
Embodied Energy, MJ/kg 120
150
Embodied Water, L/kg 280
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 170
3.4
Resilience: Unit (Modulus of Resilience), kJ/m3 130
130
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
49
Strength to Weight: Axial, points 22
16
Strength to Weight: Bending, points 20
23
Thermal Diffusivity, mm2/s 2.9
88
Thermal Shock Resistance, points 17
7.0

Alloy Composition

Aluminum (Al), % 1.0 to 1.7
98 to 98.8
Boron (B), % 0 to 0.0060
0
Carbon (C), % 0.030 to 0.1
0
Chromium (Cr), % 21 to 25
0
Copper (Cu), % 0 to 0.5
0 to 0.050
Iron (Fe), % 7.7 to 18
1.2 to 1.7
Manganese (Mn), % 0 to 1.0
0
Nickel (Ni), % 58 to 63
0
Phosphorus (P), % 0 to 0.020
0
Silicon (Si), % 0 to 0.5
0 to 0.15
Sulfur (S), % 0 to 0.015
0
Titanium (Ti), % 0 to 0.5
0
Residuals, % 0
0 to 0.15