Hastelloy C-22: nickel-chromium-molybdenum-tungsten alloy offering superior resistance to both oxidizing and reducing acids, outstanding pitting and crevice corrosion protection (PREN ≥65), excellent weldability without post-weld heat treatment, and NACE MR0175 certification for sour gas service. UNS N06022. W.N.r 2.4602.
Hastelloy C22 is a versatile nickel-based alloy known for its outstanding resistance to both oxidizing and reducing environments. It is widely used in chemical processing, marine, and pollution control industries where high corrosion resistance is critical
Hengyi Metal offers high-quality nickel alloy products with competitive pricing and fast delivery
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Key Advantages of Hastelloy C22
Excellent resistance to pitting and crevice corrosion
Strong protection against oxidizing and reducing media
Outstanding performance in chloride environments
High reliability in aggressive chemical conditions
Good weldability and fabrication performance
Applications
Chemical processing equipment
Flue gas desulfurization systems (FGD)
Marine and offshore environments
Pharmaceutical and food processing industries
Pollution control and waste treatment systems
Related Products:
Hastelloy C276
Incoloy 825
Inconel 625
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Hastelloy C22 vs C276 Comparison
Alloy | ASTM | DIN | GB | |
|---|---|---|---|---|
New grades | Old grades | |||
| Hastelloy C-22 | UNS N06022 | 2.4602 | NS3308 | |
| Hastelloy C-276 | UNS N10276 | 2.4819 | NS3304 | NS334 |
| Hastelloy C-4 | UNS N06455 | 2.4610 | ||
| Hastelloy C-2000 | UNS N06200 | 2.4675 | ||
| Hastelloy C-59 | UNS N06059 | 2.4605 | ||
| Hastelloy B | UNS N10001 | NS3201 | NS321 | |
| Hastelloy B-2 | UNS N10665 | 2.4617 | NS3202 | NS322 |
| Hastelloy B-3 | UNS N10675 | 2.4615 | NS3203 | |
| Hastelloy X | UNS N06002 | 2.4613 | ||
| Hastelloy G30 | UNS N06030 | 2.4603 | ||
