Hastelloy C-22 (UNS N06022) Corrosion-resistant nickel alloy
Features
- Hastelloy C-22 is an alloy that contains nickel, chromium, molybdenum and tungsten, which makes the alloy resistant to corrosion in stagnant or flowing seawater
- Outstanding resistance to both reducing and oxidizing media
- Resists the formation of grain-boundary precipitates in the weld’s heat-affected zone
- Hastelloy C-22 features a Face Center Cubic structure
Product Form
| Product | ASTM Standard |
| Bar | B574 |
| Sheet | B575 |
| Seamless Steel Tube | B622 |
| Pipe | B619 |
| Welded Steel Pipe | B626 |
| Forging Part | B564 |
Chemical Analysis
| % | Ni | Cr | Mo | Fe | W | Co | C | Mn | Si | S | P | V | |
| Hastelloy C-22 | Min. | Balance | 20 | 12.5 | 2 | 2.5 | |||||||
| Max. | Balance | 22.5 | 14.5 | 6 | 3.5 | 2.5 | 0. 015 | 0.5 | 0. 08 | 0. 35 | 0. 02 | 0. 02 |
Physical Properties
| Density | 8.94G/CM3 |
| Melting Range | 1325-1370℃ |
The Min. Mechanical Properties under Room Temperature
| Alloy | Tensile Strength | Yield Strength | Elongation |
| RM N/MM2 | RP0.2 N/MM2 | A5% | |
| HASTELLOY | 690 | 283 | 40 |
- Applications
- Adapts to any chemical processing include oxidation and reduction media
- Cellophane manufacturing
- Acid leaching
- Chlorination systems
- Geothermal wells
- Expansion bellows
- Pesticide production
- Nuclear fuel regeneration
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