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EN 2.4856 Nickel vs. S20431 Stainless Steel

EN 2.4856 nickel belongs to the nickel alloys classification, while S20431 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 31 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 S20431 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210
210
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 28
46
Fatigue Strength, MPa 280
320
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 79
76
Shear Strength, MPa 570
500
Tensile Strength: Ultimate (UTS), MPa 880
710
Tensile Strength: Yield (Proof), MPa 430
350

Thermal Properties

Latent Heat of Fusion, J/g 330
280
Maximum Temperature: Mechanical, °C 1000
890
Melting Completion (Liquidus), °C 1480
1400
Melting Onset (Solidus), °C 1430
1360
Specific Heat Capacity, J/kg-K 440
480
Thermal Conductivity, W/m-K 10
15
Thermal Expansion, µm/m-K 11
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.3
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 1.4
2.8

Otherwise Unclassified Properties

Base Metal Price, % relative 80
12
Density, g/cm3 8.6
7.7
Embodied Carbon, kg CO2/kg material 14
2.5
Embodied Energy, MJ/kg 190
36
Embodied Water, L/kg 290
140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 200
270
Resilience: Unit (Modulus of Resilience), kJ/m3 440
310
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 28
25
Strength to Weight: Bending, points 24
23
Thermal Diffusivity, mm2/s 2.7
4.0
Thermal Shock Resistance, points 29
15

Alloy Composition

Aluminum (Al), % 0 to 0.4
0
Carbon (C), % 0.030 to 0.1
0 to 0.12
Chromium (Cr), % 20 to 23
17 to 18
Cobalt (Co), % 0 to 1.0
0
Copper (Cu), % 0 to 0.5
1.5 to 3.5
Iron (Fe), % 0 to 5.0
66.1 to 74.4
Manganese (Mn), % 0 to 0.5
5.0 to 7.0
Molybdenum (Mo), % 8.0 to 10
0
Nickel (Ni), % 58 to 68.8
2.0 to 4.0
Niobium (Nb), % 3.2 to 4.2
0
Nitrogen (N), % 0
0.1 to 0.25
Phosphorus (P), % 0 to 0.020
0 to 0.045
Silicon (Si), % 0 to 0.5
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.030
Titanium (Ti), % 0 to 0.4
0