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Inconel 617 is a solid-solution, nickel-chromium-cobalt-molydenum alloy with an exceptional combination of high-temperature strength and oxidation resistance. The alloy also has excellent resistance to a wide range of corrosive environment, and it is readily formed and welded by conventional techniques.
The high nickel and chromium contents make the alloy resistant to a variety of both reducing and oxidizing media. The aluminum, in conjunction with the chromium, provides oxidation resistance at high temperatures. Solid-solution strengthening is imparted by the cobalt and molydenum.
Inconel 617 Trade Name: Alloy 617; UNS NO6617;W.Nr.2.4663a;NiCr0Fer 617
| Alloy | % | Ni | Cr | Fe | C | Mn | Si | Cu | Co | Ti | Al | P | S |
| 617 | Min. | 44.5 | 20.0 | 0.05 | 10.0 | 0.80 | |||||||
| Max. | 24.0 | 3.0 | 0.15 | 1.0 | 1.0 | 0.5 | 15.0 | 0.60 | 1.50 | 0.015 | 0.015 |
| Density | 8.36g/cm³ |
| Melting Point | 1332-1380℃ |
| Alloy state | Tensile strength Rm N/mm² |
Yield strength
R P0. 2N/mm² |
Elongation
A 5 % |
Brinell hardness
HB |
| Annealing treatment | 780 | 300 | 45 | - |
| Solution treatment | 800 | 320 | 45 | ≤220 |
| Bar | Forging | Sheet | Strip | Pipe | Wire |
| ASTM B 166/ASME SB 166, SAE AMS 5887/DIN 17752 | ASTM B564/ASME SB564 SAE AMS5887/DIN17754 | ASTM B168/ASME SB 168/SAE AMS 5888 /SAE AMS 5889/ISO 6208/DIN 17750/AdTUV 485 | ASTM B168/ASME SB 168/SAE AMS 5888 /SAE AMS 5889/ISO 6208/DIN 17750/AdTUV 485 | ISO 6207 / ASTM B 546/ASME SB 546
/DIN 17751/AdTUV 485 |
ASTM B166/ASME SB166,DIN 17752
AWSA5.14/ERNiCrCoMo-1/AWS A5.11/ ENiCrCoMo-/ISO 9724 |
1.The combination of high strength and oxidation resistance at temperatures over 1800°F makes alloy 617 an attractive material for such components as ducting, combustion cans, and transition liner in both aircraft, and land based gas turbines.
2.Because of its resistance to high-temperature corrosion, the alloy is used for catalyst-grid supports in the production of nitric acid, for heat-treating baskets, and for reduction boats in the refining of molybdenum.
3.Alloy 617 also offers attractive properties for components of power-generating plants, both fossil-fueled and nuclear.