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EN AC-21100 Aluminum vs. Nickel 22

EN AC-21100 aluminum belongs to the aluminum alloys classification, while nickel 22 belongs to the nickel 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 AC-21100 aluminum and the bottom bar is nickel 22.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
220
Elongation at Break, % 6.2 to 7.3
49
Fatigue Strength, MPa 79 to 87
330
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 27
84
Tensile Strength: Ultimate (UTS), MPa 340 to 350
790
Tensile Strength: Yield (Proof), MPa 210 to 240
360

Thermal Properties

Latent Heat of Fusion, J/g 390
320
Maximum Temperature: Mechanical, °C 170
990
Melting Completion (Liquidus), °C 670
1390
Melting Onset (Solidus), °C 550
1360
Specific Heat Capacity, J/kg-K 880
430
Thermal Conductivity, W/m-K 130
10
Thermal Expansion, µm/m-K 23
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 34
1.5
Electrical Conductivity: Equal Weight (Specific), % IACS 100
1.5

Otherwise Unclassified Properties

Base Metal Price, % relative 11
70
Density, g/cm3 3.0
8.9
Embodied Carbon, kg CO2/kg material 8.0
12
Embodied Energy, MJ/kg 150
170
Embodied Water, L/kg 1150
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 19 to 21
320
Resilience: Unit (Modulus of Resilience), kJ/m3 300 to 400
300
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 46
22
Strength to Weight: Axial, points 31 to 33
25
Strength to Weight: Bending, points 36 to 37
21
Thermal Diffusivity, mm2/s 48
2.7
Thermal Shock Resistance, points 15
24

Alloy Composition

Aluminum (Al), % 93.4 to 95.7
0
Carbon (C), % 0
0 to 0.015
Chromium (Cr), % 0
20 to 22.5
Cobalt (Co), % 0
0 to 2.5
Copper (Cu), % 4.2 to 5.2
0
Iron (Fe), % 0 to 0.19
2.0 to 6.0
Manganese (Mn), % 0 to 0.55
0 to 0.015
Molybdenum (Mo), % 0
12.5 to 14.5
Nickel (Ni), % 0
50.8 to 63
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 0 to 0.18
0 to 0.080
Sulfur (S), % 0
0 to 0.020
Titanium (Ti), % 0.15 to 0.3
0
Tungsten (W), % 0
2.5 to 3.5
Vanadium (V), % 0
0 to 0.35
Zinc (Zn), % 0 to 0.070
0
Residuals, % 0 to 0.1
0