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EN 2.4878 Nickel vs. S21900 Stainless Steel

EN 2.4878 nickel belongs to the nickel alloys classification, while S21900 stainless steel belongs to the iron alloys. They have a modest 28% of their average alloy composition in common, which, by itself, doesn't mean much. There are 28 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is EN 2.4878 nickel and the bottom bar is S21900 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 13 to 17
50
Fatigue Strength, MPa 400 to 410
380
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 78
78
Shear Strength, MPa 750 to 760
510
Tensile Strength: Ultimate (UTS), MPa 1210 to 1250
710
Tensile Strength: Yield (Proof), MPa 740 to 780
390

Thermal Properties

Latent Heat of Fusion, J/g 330
290
Maximum Temperature: Mechanical, °C 1030
980
Melting Completion (Liquidus), °C 1370
1400
Melting Onset (Solidus), °C 1320
1350
Specific Heat Capacity, J/kg-K 460
480
Thermal Conductivity, W/m-K 11
14
Thermal Expansion, µm/m-K 12
17

Otherwise Unclassified Properties

Base Metal Price, % relative 80
15
Density, g/cm3 8.3
7.7
Embodied Carbon, kg CO2/kg material 10
3.0
Embodied Energy, MJ/kg 150
43
Embodied Water, L/kg 370
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 150 to 180
300
Resilience: Unit (Modulus of Resilience), kJ/m3 1370 to 1540
380
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 41 to 42
26
Strength to Weight: Bending, points 31
23
Thermal Diffusivity, mm2/s 2.8
3.8
Thermal Shock Resistance, points 37 to 39
15

Alloy Composition

Aluminum (Al), % 1.2 to 1.6
0
Boron (B), % 0.010 to 0.015
0
Carbon (C), % 0.030 to 0.070
0 to 0.080
Chromium (Cr), % 23 to 25
19 to 21.5
Cobalt (Co), % 19 to 21
0
Copper (Cu), % 0 to 0.2
0
Iron (Fe), % 0 to 1.0
59.4 to 67.4
Manganese (Mn), % 0 to 0.5
8.0 to 10
Molybdenum (Mo), % 1.0 to 2.0
0
Nickel (Ni), % 43.6 to 52.2
5.5 to 7.5
Niobium (Nb), % 0.7 to 1.2
0
Nitrogen (N), % 0
0.15 to 0.4
Phosphorus (P), % 0 to 0.010
0 to 0.045
Silicon (Si), % 0 to 0.5
0 to 1.0
Sulfur (S), % 0 to 0.0070
0 to 0.030
Tantalum (Ta), % 0 to 0.050
0
Titanium (Ti), % 2.8 to 3.2
0
Zirconium (Zr), % 0.030 to 0.070
0