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| Grade | Code | UNS | Nickel Alloys |
| Inconel 601 | Alloy 601 (2.4816) | N06601 |
Inconel 601 / Alloy 601 is a nickel-based alloy recognized for its excellent oxidation resistance and dependable strength at elevated temperatures. When exposed to heat, it forms a stable protective oxide layer that supports long-term service performance. The alloy also provides good resistance to high-temperature corrosion and carburization, together with practical formability and weldability. These characteristics make it well suited for industrial furnace components, heat-treatment equipment, radiant tubes and other demanding high-temperature applications.
| Ni % | Cr % | C % | Mn % | Si % | S % | Al % | Ti % | Cu % | B % | Fe % |
| 58.00–63.00 | 21.00–25.00 | 0.10 max. | 1.00 max. | 0.50 max. | 0.015 max. | 1.00–1.70 | 0.10–0.60 | 1.00 max. | 0.006 max. | Balance |
| Condition | Rp0.2, MPa | Rm, MPa | Elongation [%] | Hardness [HRB] | Density [g/cm³] |
| Bar & Rod | 205 – 415 | 550 – 790 | 40–70 | 60–80 HRB | 8.11 |
| Plate | 205–310 | 550–690 | 45–65 | 60–75 HRB | 8.11 |
| Industry | Products |
| Heat Treatment & Industrial Furnaces | Radiant tubes, heat-treatment baskets and fixtures, furnace conveyor belts |
| Chemical & Petrochemical Industry | Ammonia cracker/reformer internals, catalyst support grids, process heating equipment |
| Energy & Power Generation | Tube supports, ash-handling system components, high-temperature furnace and combustion equipment |
| Automotive Industry | Exhaust-system components, glow-plug tubes, sensor housings |
| Environmental & Waste Incineration Systems | Combustion chambers, thermal-reactor components, hot exhaust-gas equipment |
| Metal Processing & Continuous Annealing Lines | Annealing tubes, high-velocity gas burners, woven-wire furnace belts |
| Aerospace & Gas Turbine Applications | Combustion-zone parts, igniter components, hot-gas containment components |
Inconel 601 / Alloy 601 differs from many other heat-resistant alloys by combining strong oxidation resistance with useful creep strength in service above approximately 550°C. Its aluminium addition promotes the formation of a stable and adherent protective oxide scale, providing a particular advantage during repeated heating and cooling cycles. The alloy also offers good resistance to carburizing atmospheres, can be processed by both hot- and cold-forming methods, and demonstrates good weldability when appropriate nickel-alloy filler metals are used. It is therefore a reliable material not only for elevated-temperature service, but also for applications involving thermal cycling and aggressive furnace atmospheres.
Inconel 601, Alloy 601, N06601, 2.4851
| Product Form | ASTM | AMS |
| Round Bar | ASTM B166 | AMS 5715 |
| Plate | ASTM B168 | AMS 5870 |
| Sheet | ASTM B168 | AMS 5870 |
| Seamless Pipe & Tube | ASTM B167 | – |
| Seamless Heat Exchanger Tube | ASTM B163 | – |
Special Metals – INCONEL® alloy 601
Aperam Alloys Imphy – IMPHY® 601
Note: The information contained in this datasheet is for informational purposes only; no liability is accepted.
