Material Grade: HastelloyC22 Hastelloy Alloy
United States grade: UNS N06022
Overview of Hastelloy C22 (n06022) Hastelloy
Hastelloy C22 (n06022) is a nickel-based high-temperature alloy composed of nickel, molybdenum, cobalt, tungsten and other elements. The nickel content is about 60%. It is a universal Ni-Cr-Mo-W alloy with better overall corrosion resistance than other existing Ni-Cr-Mo alloys, including Hastelloy C-276, C4 alloy and 625 alloy. Hastelloy C22 has good resistance to pitting, crevice corrosion and stress corrosion cracking. It has excellent antioxidant properties in aqueous media including wet chlorine, nitric acid or mixed acids containing chloride ions.
At the same time, hastelloyc22 (n06022) Hastelloy alloy also has ideal resistance to the reduction and oxidation environment encountered during the process. With this versatile performance, it can be used in some troublesome environments, or factories for various production purposes. Hastelloy C22 (n06022) has abnormal resistance to various chemical environments, including strong oxidative substances such as ferric chloride, copper chloride, chlorine and thermal contaminated solutions. Liquids (organic and inorganic), formic acid, acetic acid, acetic anhydride, seawater and salt solutions, etc. Hastelloy C22 (n06022) alloy has the ability to resist the precipitation of grain boundaries of heat-affected zone (HAZ) and is suitable for a variety of chemical processes in welding state.
Chemical composition of Hastelloy C22 (n06022)
| C≤ | Si≤ | Mn≤ | P≤ | S≤ | Cr≥ | Ni≥ | Mo≥ | Cu≤ |
| 0.015 | 0.08 | 0.50 | 0.025 | 0.010 | 20.0-22.5 | Remain | 12.5-14.5 | - |
| other | N≤ | Al≤ | Ti≤ | Fe≤ | Co≤ | V≤ | W≤ | Nb≤ |
| - | - | - | 2.0-6.0 | 2.50 | 0.035 | 2.50-3.50 | - |
The physical properties of Hastelloy C22 (n06022) are: density 8.9g/cm³, melting point 1321-1370℃
The best mechanical properties of Hastelloy C22 (n06022) at room temperature
Hastelloy C22 (n06022) nickel-based alloy tensile strength Rmn/mm2:690
Hastelloy C22 (n06022) nickel-based alloy yield strength rp0.2n/mm2:283
Hastelloyc22 (n06022) nickel-based alloy a5%:40 elongation
Hastelloy C22 (n06022) has the following characteristics
Hastelloy C22 (n06022) is a widely used Ni-Cr-Mo-W alloy that has better overall corrosion resistance than existing Ni-Cr-Mo alloys. This alloy has good resistance to pitting, crevice corrosion and stress corrosion cracking. It has excellent antioxidant properties in aqueous media including wet chlorine, nitric acid or mixed acids containing chloride ions.
Microstructure of hastelloyc22 (n06022) alloy: hastelloyc22 alloy has a face-centered cubic lattice structure.
The corrosion resistance of Hastelloy C22 (n06022) was studied
Hastelloy C22 is suitable for chemical processes containing various redox media. Higher molybdenum and chromium contents make the alloy have the ability to resist chloride ions, and tungsten further improves its corrosion resistance. Hastelloy C22 is one of the most powerful materials that can resist the corrosion of humid chlorine, hypochlorite and chlorine dioxide solutions. The alloy has significant corrosion resistance to high concentrations of chloride solutions such as ferric chloride and copper chloride.
Hastelloy C22 (n06022) has the following application fields
Hastelloyc22 alloy is widely used in chemical and petrochemical fields, such as components and catalytic systems that come into contact with chlorine organics. This material is especially suitable for high temperature, mixed inorganic and organic acids (such as formic acid, acetic acid, etc.) impurities, seawater corrosion environments.
Other applications of Hastelloy C22 (n06022)
Acetic acid/acetic anhydride, acid leachate, cellophane manufacturing, chlorination system, composite mixed acid, electroplating galvanized tank roller, expansion corrugated pipe, flue gas purification system, geothermal well, hydrogen fluoride furnace cleaning machine, incineration purification system, nuclear fuel regeneration, pesticide production, phosphoric acid production, pickling system, plate heat exchanger, selective filtration system, sulfur dioxide cooling tower, sulfuric acid chemical system, tube heat exchanger, and surfacing valve.
Hastelloy C22 (n06022) specifications and availability
Category: Danyang Xinmao Alloy can produce Hastelloy C22 seamless pipes, Hastelloy C22 steel plates, Hastelloy C22 round steel, Hastelloy C22 forgings, Hastelloy C22 flanges, Hastelloy C22 rings, Hastelloy C22 welded pipes, Hastelloy C22 steel strips, Hastelloy C22 wires and supporting welding materials.
Delivery status: Seamless steel pipe: solution + acidic white, length can be fixed; plate: solid solution, pickling, trimming; welded pipe: solid solution acidic white + RT% flaw detection, forging: annealing + turning; bar forging, surface polishing or turning polishing; strip steel cold rolling, solution softening, descaling; wire solution delivery pickling board or straight strip, solid solution straight strip polishing state.