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Nickel 617 vs. S20433 Stainless Steel

Nickel 617 belongs to the nickel alloys classification, while S20433 stainless steel belongs to the iron alloys. They have a modest 25% 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 (4, in this case) are not shown.

For each property being compared, the top bar is nickel 617 and the bottom bar is S20433 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 40
46
Fatigue Strength, MPa 220
250
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 80
76
Shear Strength, MPa 510
440
Tensile Strength: Ultimate (UTS), MPa 740
630
Tensile Strength: Yield (Proof), MPa 280
270

Thermal Properties

Latent Heat of Fusion, J/g 330
280
Maximum Temperature: Mechanical, °C 1010
900
Melting Completion (Liquidus), °C 1380
1400
Melting Onset (Solidus), °C 1330
1360
Specific Heat Capacity, J/kg-K 450
480
Thermal Conductivity, W/m-K 13
15
Thermal Expansion, µm/m-K 12
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.4
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 1.5
2.8

Otherwise Unclassified Properties

Base Metal Price, % relative 75
13
Density, g/cm3 8.5
7.7
Embodied Carbon, kg CO2/kg material 10
2.7
Embodied Energy, MJ/kg 140
39
Embodied Water, L/kg 350
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 230
230
Resilience: Unit (Modulus of Resilience), kJ/m3 190
180
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 24
23
Strength to Weight: Bending, points 21
21
Thermal Diffusivity, mm2/s 3.5
4.0
Thermal Shock Resistance, points 21
14

Alloy Composition

Aluminum (Al), % 0.8 to 1.5
0
Boron (B), % 0 to 0.0060
0
Carbon (C), % 0.050 to 0.15
0 to 0.080
Chromium (Cr), % 20 to 24
17 to 18
Cobalt (Co), % 10 to 15
0
Copper (Cu), % 0 to 0.5
1.5 to 3.5
Iron (Fe), % 0 to 3.0
64.1 to 72.4
Manganese (Mn), % 0 to 1.0
5.5 to 7.5
Molybdenum (Mo), % 8.0 to 10
0
Nickel (Ni), % 44.5 to 62
3.5 to 5.5
Nitrogen (N), % 0
0.1 to 0.25
Phosphorus (P), % 0
0 to 0.045
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.030