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Nickel 617 vs. S31727 Stainless Steel

Nickel 617 belongs to the nickel alloys classification, while S31727 stainless steel belongs to the iron alloys. They have 41% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is nickel 617 and the bottom bar is S31727 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 40
40
Fatigue Strength, MPa 220
240
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 80
78
Shear Strength, MPa 510
430
Tensile Strength: Ultimate (UTS), MPa 740
630
Tensile Strength: Yield (Proof), MPa 280
270

Thermal Properties

Latent Heat of Fusion, J/g 330
290
Maximum Temperature: Mechanical, °C 1010
1010
Melting Completion (Liquidus), °C 1380
1440
Melting Onset (Solidus), °C 1330
1390
Specific Heat Capacity, J/kg-K 450
470
Thermal Expansion, µm/m-K 12
16

Otherwise Unclassified Properties

Base Metal Price, % relative 75
24
Density, g/cm3 8.5
8.0
Embodied Carbon, kg CO2/kg material 10
4.7
Embodied Energy, MJ/kg 140
64
Embodied Water, L/kg 350
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 230
200
Resilience: Unit (Modulus of Resilience), kJ/m3 190
190
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 24
22
Strength to Weight: Bending, points 21
20
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 0.030
Chromium (Cr), % 20 to 24
17.5 to 19
Cobalt (Co), % 10 to 15
0
Copper (Cu), % 0 to 0.5
2.8 to 4.0
Iron (Fe), % 0 to 3.0
53.7 to 61.3
Manganese (Mn), % 0 to 1.0
0 to 1.0
Molybdenum (Mo), % 8.0 to 10
3.8 to 4.5
Nickel (Ni), % 44.5 to 62
14.5 to 16.5
Nitrogen (N), % 0
0.15 to 0.21
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.030