| Customization: | Available |
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| Application: | Aviation, Electronics, Industrial, Medical, Chemical |
| Standard: | JIS, GB, DIN, BS, ASTM, AISI |
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Hastelloy C-22 is a nickel-chromium-molybdenum-tungsten alloy renowned for its exceptional versatility and resistance to a wide range of corrosive environments. Developed by Haynes International, it belongs to the Hastelloy family of superalloys, which are widely used in industries where corrosion resistance is paramount, such as chemical processing, pollution control, pulp and paper production, and waste treatment.
key properties and features of Hastelloy C-22:
Corrosion Resistance: Hastelloy C-22 offers outstanding resistance to both oxidizing and reducing conditions, making it suitable for use in highly corrosive environments such as sulfuric acid, hydrochloric acid, phosphoric acid, acetic acid, and chlorine-containing environments.
Versatility: It is highly versatile and can be used in various forms including sheet, plate, bar, wire, and welding consumables, allowing for a wide range of applications.
High Performance: The alloy maintains its corrosion resistance even in welded joints and complex fabrication configurations, making it suitable for critical applications where reliability is essential.
Temperature Resistance: Hastelloy C-22 exhibits good resistance to high temperatures and thermal stability, allowing it to withstand elevated temperatures encountered in many industrial processes.
Fabricability: It is relatively easy to fabricate, weld, and form, which enhances its utility in various applications.
Chemical Composition: Hastelloy C-22 typically consists of nickel, chromium, molybdenum, tungsten, and traces of other elements, which contribute to its unique combination of properties.
Overall, Hastelloy C-22 is a highly sought-after material in industries where corrosion resistance, reliability, and performance are critical requirements. Its ability to withstand harsh environments and maintain integrity in challenging conditions makes it a preferred choice for many applications.
| item | HC-276 | C-22 | C-4 | B2 | B3 | N |
| C | ≤0.01 | ≤0.015 | ≤0.015 | ≤0.02 | ≤0.01 | 0.04-0.08 |
| Mn | ≤1 | ≤0.5 | ≤1 | ≤1 | ≤3 | ≤1 |
| Fe | 4-7 | 2-6 | ≤3 | ≤2 | ≤1.5 | ≤5 |
| P | ≤0.04 | ≤0.02 | ≤0.04 | ≤0.04 | -- | ≤0.015 |
| S | ≤0.03 | ≤0.02 | ≤0.03 | ≤0.03 | -- | ≤0.02 |
| Si | ≤0.08 | ≤0.08 | ≤0.08 | ≤0.1 | ≤0.1 | ≤1 |
| Ni | rest | rest | rest | rest | ≤65 | rest |
| Co | ≤2.5 | ≤2.5 | ≤2 | ≤1 | ≤3 | ≤0.2 |
| Ti+Cu | -- | -- | ≤0.7 | -- | ≤0.4 | ≤0.35 |
| Al+Ti | -- | -- | -- | -- | ≤0.5 | ≤0.5 |
| Cr | 14.5-16.5 | 20-22.5 | 14-18 | ≤1 | ≤1.5 | 6-8 |
| Mo | 15-17 | 12.5-14.5 | 14-17 | 26-30 | ≤28.5 | 15-18 |
| B | -- | -- | -- | -- | -- | ≤0.01 |
| W | 3-4.5 | 2.5-3.5 | -- | -- | ≤3 | ≤0.5 |
| V | ≤0.35 | ≤0.35 | -- | 0.2-0.4 | -- | ≤0.5 |
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