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Nickel 617 vs. S32950 Stainless Steel

Nickel 617 belongs to the nickel alloys classification, while S32950 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 (4, in this case) are not shown.

For each property being compared, the top bar is nickel 617 and the bottom bar is S32950 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 40
17
Fatigue Strength, MPa 220
330
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 80
80
Shear Strength, MPa 510
480
Tensile Strength: Ultimate (UTS), MPa 740
780
Tensile Strength: Yield (Proof), MPa 280
550

Thermal Properties

Latent Heat of Fusion, J/g 330
300
Maximum Temperature: Mechanical, °C 1010
1100
Melting Completion (Liquidus), °C 1380
1430
Melting Onset (Solidus), °C 1330
1390
Specific Heat Capacity, J/kg-K 450
480
Thermal Conductivity, W/m-K 13
16
Thermal Expansion, µm/m-K 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.4
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 1.5
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 75
17
Density, g/cm3 8.5
7.7
Embodied Carbon, kg CO2/kg material 10
3.4
Embodied Energy, MJ/kg 140
47
Embodied Water, L/kg 350
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 230
120
Resilience: Unit (Modulus of Resilience), kJ/m3 190
730
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 24
28
Strength to Weight: Bending, points 21
24
Thermal Diffusivity, mm2/s 3.5
4.3
Thermal Shock Resistance, points 21
21

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 0.030
Chromium (Cr), % 20 to 24
26 to 29
Cobalt (Co), % 10 to 15
0
Copper (Cu), % 0 to 0.5
0
Iron (Fe), % 0 to 3.0
60.3 to 69.4
Manganese (Mn), % 0 to 1.0
0 to 2.0
Molybdenum (Mo), % 8.0 to 10
1.0 to 2.5
Nickel (Ni), % 44.5 to 62
3.5 to 5.2
Nitrogen (N), % 0
0.15 to 0.35
Phosphorus (P), % 0
0 to 0.035
Silicon (Si), % 0 to 1.0
0 to 0.6
Sulfur (S), % 0 to 0.015
0 to 0.010