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EN 2.4642 Nickel vs. S17400 Stainless Steel

EN 2.4642 nickel belongs to the nickel alloys classification, while S17400 stainless steel belongs to the iron alloys. They have a modest 30% 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 2.4642 nickel and the bottom bar is S17400 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 34
11 to 21
Fatigue Strength, MPa 200
380 to 670
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 78
75
Shear Strength, MPa 450
570 to 830
Tensile Strength: Ultimate (UTS), MPa 670
910 to 1390
Tensile Strength: Yield (Proof), MPa 270
580 to 1250

Thermal Properties

Latent Heat of Fusion, J/g 320
280
Maximum Temperature: Mechanical, °C 1010
850
Melting Completion (Liquidus), °C 1360
1440
Melting Onset (Solidus), °C 1320
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 12
17
Thermal Expansion, µm/m-K 14
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 50
14
Density, g/cm3 8.3
7.8
Embodied Carbon, kg CO2/kg material 8.2
2.7
Embodied Energy, MJ/kg 120
39
Embodied Water, L/kg 290
130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
140 to 160
Resilience: Unit (Modulus of Resilience), kJ/m3 180
880 to 4060
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 23
32 to 49
Strength to Weight: Bending, points 21
27 to 35
Thermal Diffusivity, mm2/s 3.1
4.5
Thermal Shock Resistance, points 18
30 to 46

Alloy Composition

Aluminum (Al), % 0 to 0.5
0
Carbon (C), % 0 to 0.050
0 to 0.070
Chromium (Cr), % 27 to 31
15 to 17
Copper (Cu), % 0 to 0.5
3.0 to 5.0
Iron (Fe), % 7.0 to 11
70.4 to 78.9
Manganese (Mn), % 0 to 0.5
0 to 1.0
Nickel (Ni), % 55.9 to 66
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 0.5
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.030