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EN 2.4669 Nickel vs. S44800 Stainless Steel

EN 2.4669 nickel belongs to the nickel alloys classification, while S44800 stainless steel belongs to the iron alloys. They have a modest 25% of their average alloy composition in common, which, by itself, doesn't mean much. There are 31 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is EN 2.4669 nickel and the bottom bar is S44800 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
210
Elongation at Break, % 16
23
Fatigue Strength, MPa 390
300
Poisson's Ratio 0.29
0.27
Reduction in Area, % 31
45
Shear Modulus, GPa 73
82
Shear Strength, MPa 680
370
Tensile Strength: Ultimate (UTS), MPa 1110
590
Tensile Strength: Yield (Proof), MPa 720
450

Thermal Properties

Latent Heat of Fusion, J/g 310
300
Maximum Temperature: Mechanical, °C 960
1100
Melting Completion (Liquidus), °C 1380
1460
Melting Onset (Solidus), °C 1330
1410
Specific Heat Capacity, J/kg-K 460
480
Thermal Conductivity, W/m-K 12
17
Thermal Expansion, µm/m-K 13
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.4
2.6
Electrical Conductivity: Equal Weight (Specific), % IACS 1.5
3.0

Otherwise Unclassified Properties

Base Metal Price, % relative 60
19
Density, g/cm3 8.4
7.8
Embodied Carbon, kg CO2/kg material 10
3.8
Embodied Energy, MJ/kg 150
52
Embodied Water, L/kg 260
190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 160
120
Resilience: Unit (Modulus of Resilience), kJ/m3 1380
480
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 37
21
Strength to Weight: Bending, points 28
20
Thermal Diffusivity, mm2/s 3.1
4.6
Thermal Shock Resistance, points 33
19

Alloy Composition

Aluminum (Al), % 0.4 to 1.0
0
Carbon (C), % 0 to 0.080
0 to 0.010
Chromium (Cr), % 14 to 17
28 to 30
Cobalt (Co), % 0 to 1.0
0
Copper (Cu), % 0 to 0.5
0 to 0.15
Iron (Fe), % 5.0 to 9.0
62.6 to 66.5
Manganese (Mn), % 0 to 1.0
0 to 0.3
Molybdenum (Mo), % 0
3.5 to 4.2
Nickel (Ni), % 65.9 to 77.7
2.0 to 2.5
Niobium (Nb), % 0.7 to 1.2
0
Nitrogen (N), % 0
0 to 0.020
Phosphorus (P), % 0 to 0.020
0 to 0.025
Silicon (Si), % 0 to 0.5
0 to 0.2
Sulfur (S), % 0 to 0.015
0 to 0.020
Titanium (Ti), % 2.3 to 2.8
0