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Nickel 617 vs. S44535 Stainless Steel

Nickel 617 belongs to the nickel alloys classification, while S44535 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 S44535 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 40
28
Fatigue Strength, MPa 220
210
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 80
78
Shear Strength, MPa 510
290
Tensile Strength: Ultimate (UTS), MPa 740
450
Tensile Strength: Yield (Proof), MPa 280
290

Thermal Properties

Latent Heat of Fusion, J/g 330
290
Maximum Temperature: Mechanical, °C 1010
1000
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
21
Thermal Expansion, µm/m-K 12
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.4
2.6
Electrical Conductivity: Equal Weight (Specific), % IACS 1.5
3.1

Otherwise Unclassified Properties

Base Metal Price, % relative 75
11
Density, g/cm3 8.5
7.7
Embodied Carbon, kg CO2/kg material 10
2.4
Embodied Energy, MJ/kg 140
34
Embodied Water, L/kg 350
140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 230
110
Resilience: Unit (Modulus of Resilience), kJ/m3 190
200
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 24
16
Strength to Weight: Bending, points 21
17
Thermal Diffusivity, mm2/s 3.5
5.6
Thermal Shock Resistance, points 21
15

Alloy Composition

Aluminum (Al), % 0.8 to 1.5
0 to 0.5
Boron (B), % 0 to 0.0060
0
Carbon (C), % 0.050 to 0.15
0 to 0.030
Chromium (Cr), % 20 to 24
20 to 24
Cobalt (Co), % 10 to 15
0
Copper (Cu), % 0 to 0.5
0 to 0.5
Iron (Fe), % 0 to 3.0
73.2 to 79.6
Lanthanum (La), % 0
0.040 to 0.2
Manganese (Mn), % 0 to 1.0
0.3 to 0.8
Molybdenum (Mo), % 8.0 to 10
0
Nickel (Ni), % 44.5 to 62
0
Phosphorus (P), % 0
0 to 0.050
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.015
0 to 0.020
Titanium (Ti), % 0
0.030 to 0.2