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EN 2.4650 Nickel vs. S17400 Stainless Steel

EN 2.4650 nickel belongs to the nickel alloys classification, while S17400 stainless steel belongs to the iron alloys. They have a modest 21% 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 (6, in this case) are not shown.

For each property being compared, the top bar is EN 2.4650 nickel and the bottom bar is S17400 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 34
11 to 21
Fatigue Strength, MPa 480
380 to 670
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 80
75
Shear Strength, MPa 730
570 to 830
Tensile Strength: Ultimate (UTS), MPa 1090
910 to 1390
Tensile Strength: Yield (Proof), MPa 650
580 to 1250

Thermal Properties

Latent Heat of Fusion, J/g 320
280
Maximum Temperature: Mechanical, °C 1010
850
Melting Completion (Liquidus), °C 1400
1440
Melting Onset (Solidus), °C 1350
1400
Specific Heat Capacity, J/kg-K 450
480
Thermal Conductivity, W/m-K 12
17
Thermal Expansion, µm/m-K 11
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.5
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 1.6
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 80
14
Density, g/cm3 8.5
7.8
Embodied Carbon, kg CO2/kg material 10
2.7
Embodied Energy, MJ/kg 140
39
Embodied Water, L/kg 360
130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 320
140 to 160
Resilience: Unit (Modulus of Resilience), kJ/m3 1030
880 to 4060
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 36
32 to 49
Strength to Weight: Bending, points 28
27 to 35
Thermal Diffusivity, mm2/s 3.1
4.5
Thermal Shock Resistance, points 33
30 to 46

Alloy Composition

Aluminum (Al), % 0.3 to 0.6
0
Boron (B), % 0 to 0.0050
0
Carbon (C), % 0.040 to 0.080
0 to 0.070
Chromium (Cr), % 19 to 21
15 to 17
Cobalt (Co), % 19 to 21
0
Copper (Cu), % 0 to 0.2
3.0 to 5.0
Iron (Fe), % 0 to 0.7
70.4 to 78.9
Manganese (Mn), % 0 to 0.6
0 to 1.0
Molybdenum (Mo), % 5.6 to 6.1
0
Nickel (Ni), % 46.9 to 54.2
3.0 to 5.0
Niobium (Nb), % 0
0.15 to 0.45
Phosphorus (P), % 0 to 0.020
0 to 0.040
Silicon (Si), % 0 to 0.4
0 to 1.0
Sulfur (S), % 0 to 0.0070
0 to 0.030
Titanium (Ti), % 1.9 to 2.4
0