Okoye Nickel Alloys is based in Kinshasa, Congo as a leading manufacturer and distributor, specializing in Hastelloy C22 sheet and plate. Hastelloy C22 is a nickel-chromium-molybdenum alloy known for its outstanding resistance to oxidation, pitting, and stress corrosion cracking. This makes it ideally suited for complex applications in the chemical, petrochemical and marine industries. Our products are manufactured to precision and meet the highest industry standards, ensuring durability and reliability. Okoye Nickel Alloys is your trusted partner for all Hastelloy C22 needs, providing excellent service and comprehensive support.
| Standard | ASTM B 622, B 619 / ASME SB 622, SB 619 |
| Standard | ASTM, ASME and API |
| Size | 15 NB UP TO C22 NB IN SCH 5S, 10S,10, 20, 40S, 40, STD, 60, 80S, 80, XS, 100, 120, 140, 160 & XXS |
| Length | Single Random, Double Random & Required Length, Cut Length |
| End | Plain End, Beveled End, Treaded |
| Grade | C | Mn | Si | Co | P | Fe | Mo | Ni | Cr | S | W | V |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Hastelloy C22 Sheets and Plates | 0.010 max | 0.50 max | 0.08 max | 2.5 max | 0.02 max | 2 – 6 | 12.5 – 14.5 | Bal | 20 – 22.5 | 0.02 max | 2.5 – 3.5 | 0.35 max |
| Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
|---|---|---|---|---|
| 8.69 g/cm3 | 1399 °C (2550 °F) | Psi – 1,00,000 , MPa – 690 | Psi – 45000 , MPa – 310 | 45% |
The **Hastelloy C22 Sheets and Plates** are primarily made up of nickel (at least 57%), chromium (20–22%), molybdenum (12–14%), and tungsten (2–3%), with trace amounts of iron and cobalt to boost corrosion resistance and mechanical properties. This alloy is known for its remarkable resistance to both oxidizing and reducing environments, as well as its ability to withstand stress corrosion cracking, pitting, and crevice corrosion in extremely corrosive conditions. With impressive tensile strength, excellent ductility, and stability at high temperatures, Hastelloy C22 Sheets and Plates guarantee outstanding durability and performance in both chemical and marine applications.
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The **Hastelloy C22 Sheets and Plates** produced by Okoye Nickel Alloys find extensive use in chemical reactors, heat exchangers, piping systems, pollution-control equipment, marine components, and offshore platforms. They are particularly well-suited for managing strong oxidizers, acids, and chloride-containing solutions, making them essential in chemical processing, desalination plants, and the petrochemical sector. Okoye Nickel Alloys is committed to precision rolling, dimensional accuracy, and thorough quality testing, ensuring that their Hastelloy C22 Sheets and Plates provide reliable corrosion resistance, a long service life, and superior mechanical performance.
