new material
Hastelloy C-22 is a high-performance nickel-chromium-molybdenum-tungsten alloy known for its excellent corrosion resistance, high-temperature stability, and mechanical strength. This alloy is widely used in various industries, including chemical processing, aerospace, and marine, where it serves in critical components exposed to demanding environments. Its unique properties make it ideal for applications requiring durability, reliability, and high performance.
Product Overview
Hastelloy C-22 is a high-performance nickel-chromium-molybdenum-tungsten alloy known for its superior corrosion resistance, outperforming other common nickel-chromium-molybdenum alloys such as Hastelloy C-276, C-4, and 625. This alloy excels in resistance to pitting, crevice corrosion, and stress corrosion cracking, making it suitable for long-term use in highly corrosive chemical and environmental conditions. It is particularly effective in environments containing chlorides, oxidizing acids, seawater, and salt solutions.
Key Features
- Excellent Corrosion Resistance: Effectively resists corrosion in both oxidizing and reducing environments, including aggressive substances like ferric chloride, copper chloride, chlorine, formic acid, acetic acid, and more.
- High-Temperature Performance: Provides good high-temperature and stress corrosion cracking resistance.
- Versatile Environmental Adaptability: Maintains stability in both strong oxidizing and reducing environments, making it ideal for complex chemical settings.
- Pitting, Crevice, and Stress Corrosion Cracking Resistance: Suitable for use in a wide range of high-corrosion process environments.
Applications
- Chemical Industry: Used in components exposed to organic compounds containing chlorides and catalytic systems.
- Petrochemical Industry: Widely used in high-temperature and corrosive environments, such as inorganic acids, organic acids (formic acid, acetic acid), seawater, and more.
- Electrolytic Plating and Redox Reaction Systems: Ideal for equipment and systems resisting highly oxidizing substances.
| Alloy Grade | Component | Ni (%) | Cr (%) | Mo (%) | Fe (%) | W (%) | Co (%) | C (%) | Mn (%) | Si (%) | V (%) | P (%) | S (%) |
| Hastelloy C | Min | Balance | 14.5 | 15 | 4 | 3 | |||||||
| Max | 16.5 | 17 | 7 | 4.5 | 2.5 | 0.08 | 1 | 1 | 0.35 | 0.04 | 0.03 | ||
| C22 | Min | Balance | 20 | 12.5 | 2.5 | ||||||||
| Max | 22.5 | 14.5 | 6 | 3.5 | 2.5 | 0.015 | 0.5 | 0.08 | 0.35 | 0.02 | 0.02 |
