Hastelloy C22 is a high temperature and corrosion resistant alloy, especially suitable for chemical and petrochemical industries. It is widely used in various equipment in these industries.
Hastelloy C22 is a corrosion-resistant alloy with the following chemical composition:
Nickel (Ni): Balance
Chromium (Cr): 20-22.5%
Molybdenum (Mo): 12.5-14.5%
Iron (Fe): 2-6%
Tungsten (W): 2.5-3.5%
Cobalt (Co): ≤2.5%
Carbon (C): ≤0.015%
Manganese (Mn): ≤0.5%
Silicon (Si): ≤0.08%
Vanadium (V): ≤0.35%
Phosphorus (P): ≤0.02%
Sulfur (S): ≤0.02%
Physical properties
| density |
8.9 g/cm3 |
| Melting point |
1325-1370 ℃ |
Minimum mechanical properties of Hastelloy C-22 alloy at room temperature:
| Alloy and state |
tensile strength Rm N/mm2 |
Yield Strength RP0.2N/mm2 |
Elongation A5 % |
|
Hastelloy C22 |
690 |
283 |
40 |
Hastelloy C22 is commonly used in the following equipment in the chemical and petrochemical industries:
Acid circulation system: Hastelloy C22 can resist the erosion of highly corrosive acid solutions, so it is widely used in pipelines, pumps, heat exchangers and other equipment in acid circulation systems to ensure the stable operation of the system.
Electrolytic plating equipment: Hastelloy C22 is also suitable for electrolytic plating equipment. It can resist the corrosive media in the electroplating process and ensure the durability and stability of the equipment.
As a high temperature resistant and corrosion resistant alloy, Hastelloy C22 is used in acid circulation systems, acid corrosion equipment, electrolytic plating equipment and other equipment that require corrosion resistance in the chemical and petrochemical industries. Its application can ensure the long-term use of equipment in harsh environments and provide reliable corrosion protection.
