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EN 2.4856 Nickel vs. S44401 Stainless Steel

EN 2.4856 nickel belongs to the nickel alloys classification, while S44401 stainless steel belongs to the iron alloys. They have a modest 24% 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 (3, in this case) are not shown.

For each property being compared, the top bar is EN 2.4856 nickel and the bottom bar is S44401 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 28
21
Fatigue Strength, MPa 280
200
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 79
78
Shear Strength, MPa 570
300
Tensile Strength: Ultimate (UTS), MPa 880
480
Tensile Strength: Yield (Proof), MPa 430
300

Thermal Properties

Latent Heat of Fusion, J/g 330
280
Maximum Temperature: Mechanical, °C 1000
930
Melting Completion (Liquidus), °C 1480
1460
Melting Onset (Solidus), °C 1430
1420
Specific Heat Capacity, J/kg-K 440
470
Thermal Conductivity, W/m-K 10
22
Thermal Expansion, µm/m-K 11
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.3
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 1.4
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 80
12
Density, g/cm3 8.6
7.8
Embodied Carbon, kg CO2/kg material 14
2.9
Embodied Energy, MJ/kg 190
40
Embodied Water, L/kg 290
130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 200
90
Resilience: Unit (Modulus of Resilience), kJ/m3 440
230
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 28
17
Strength to Weight: Bending, points 24
18
Thermal Diffusivity, mm2/s 2.7
5.9
Thermal Shock Resistance, points 29
17

Alloy Composition

Aluminum (Al), % 0 to 0.4
0
Carbon (C), % 0.030 to 0.1
0 to 0.025
Chromium (Cr), % 20 to 23
17.5 to 19.5
Cobalt (Co), % 0 to 1.0
0
Copper (Cu), % 0 to 0.5
0
Iron (Fe), % 0 to 5.0
75.1 to 80.6
Manganese (Mn), % 0 to 0.5
0 to 1.0
Molybdenum (Mo), % 8.0 to 10
1.8 to 2.5
Nickel (Ni), % 58 to 68.8
0 to 1.0
Niobium (Nb), % 3.2 to 4.2
0
Nitrogen (N), % 0
0 to 0.035
Phosphorus (P), % 0 to 0.020
0 to 0.040
Silicon (Si), % 0 to 0.5
0
Sulfur (S), % 0 to 0.015
0 to 0.030
Titanium (Ti), % 0 to 0.4
0.2 to 0.8