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Nickel 22 vs. EN 1.4477 Stainless Steel

Nickel 22 belongs to the nickel alloys classification, while EN 1.4477 stainless steel belongs to the iron alloys. They have a modest 34% of their average alloy composition in common, which, by itself, doesn't mean much. There are 30 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is nickel 22 and the bottom bar is EN 1.4477 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
210
Elongation at Break, % 49
22 to 23
Fatigue Strength, MPa 330
420 to 490
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 84
81
Shear Strength, MPa 560
550 to 580
Tensile Strength: Ultimate (UTS), MPa 790
880 to 930
Tensile Strength: Yield (Proof), MPa 360
620 to 730

Thermal Properties

Latent Heat of Fusion, J/g 320
300
Maximum Temperature: Mechanical, °C 990
1100
Melting Completion (Liquidus), °C 1390
1430
Melting Onset (Solidus), °C 1360
1380
Specific Heat Capacity, J/kg-K 430
480
Thermal Conductivity, W/m-K 10
13
Thermal Expansion, µm/m-K 11
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.5
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 1.5
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 70
20
Density, g/cm3 8.9
7.7
Embodied Carbon, kg CO2/kg material 12
3.7
Embodied Energy, MJ/kg 170
52
Embodied Water, L/kg 300
190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 320
180 to 190
Resilience: Unit (Modulus of Resilience), kJ/m3 300
940 to 1290
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 22
25
Strength to Weight: Axial, points 25
31 to 33
Strength to Weight: Bending, points 21
26 to 27
Thermal Diffusivity, mm2/s 2.7
3.5
Thermal Shock Resistance, points 24
23 to 25

Alloy Composition

Carbon (C), % 0 to 0.015
0 to 0.030
Chromium (Cr), % 20 to 22.5
28 to 30
Cobalt (Co), % 0 to 2.5
0
Copper (Cu), % 0
0 to 0.8
Iron (Fe), % 2.0 to 6.0
56.6 to 63.6
Manganese (Mn), % 0 to 0.015
0.8 to 1.5
Molybdenum (Mo), % 12.5 to 14.5
1.5 to 2.6
Nickel (Ni), % 50.8 to 63
5.8 to 7.5
Nitrogen (N), % 0
0.3 to 0.4
Phosphorus (P), % 0 to 0.020
0 to 0.030
Silicon (Si), % 0 to 0.080
0 to 0.5
Sulfur (S), % 0 to 0.020
0 to 0.015
Tungsten (W), % 2.5 to 3.5
0
Vanadium (V), % 0 to 0.35
0