Hastelloy C22 Seamless Pipes & Tubes
Premium nickel-chromium-molybdenum alloy pipes offering exceptional corrosion resistance for demanding industrial applications.
Product Specifications
Alloy Designations: UNS N06022, DIN 2.4602, NiCr21Mo14W
Standards: ASTM B622, ASME SB622, ASTM B619, ASTM B626
Manufacturer: GE MING SHENG - Certified supplier with full 3.1 certification
Chemical Composition
| Element | Min (%) | Max (%) |
| Ni | Balance | - |
| Cr | 20 | 22.5 |
| Mo | 12.5 | 14.5 |
| Fe | 2 | 6 |
| W | 2.5 | 3.5 |
| C | - | 0.015 |
| Mn | - | 0.5 |
| Si | - | 0.08 |
| P | - | 0.02 |
| S | - | 0.02 |
Physical Properties
| Density | 8.69 g/cm³ |
| Melting Range | 1325-1370°C |
Key Features
- Superior corrosion resistance compared to C-276, C-4, and Inconel 625
- Excellent resistance to pitting, crevice corrosion, and stress corrosion cracking
- Outstanding performance in oxidizing aqueous media including wet chlorine
- Optimal resistance in mixed reducing and oxidizing conditions
- Resists grain boundary precipitation in weld heat-affected zones
- Suitable for as-welded condition in most chemical process applications
Applications
Chemical processing (acetic acid, acetic anhydride), pickling operations, cellophane manufacturing,
chlorination systems, electro-galvanizing rolls, flue gas scrubber systems, geothermal wells,
HF furnace scrubbers, incineration scrubbers, nuclear fuel reprocessing, pesticide production,
phosphoric acid production, heat exchangers, and sulfur dioxide cooling towers.
Available Sizes & Grades
| Type | Outer Diameter | Wall Thickness | Length |
|---|
| NB Sizes (Stock) | 1/8" ~ 8" | SCH 5/10/40/80/160 | Up to 6 Meters |
| Seamless (Custom) | 5.0mm ~ 203.2mm | As required | Up to 6 Meters |
| Welded (Stock + Custom) | 5.0mm ~ 1219.2mm | 1.0 ~ 15.0 mm | Up to 6 Meters |
Hastelloy Alloy Comparison
| Alloy | C% | Cr% | Mo% | Fe% | Ni% |
| Hastelloy B-2 | 0.02 | 1 | 26-30 | 2 | Balance |
| Hastelloy C-4 | 0.015 | 14-18 | 14-17 | 3 | Balance |
| Hastelloy C-276 | 0.02 | 14-16.5 | 15-17 | 4-7 | Balance |
| Hastelloy G | 0.05 | 21-23.5 | 5.5-7.5 | 18-21 | Balance |
| Hastelloy X | - | 21-23 | 8-10 | 17-20 | Balance |
Note: Hastelloy and C-22 are registered trademarks of Haynes International, Inc.
Inconel is a registered trademark of the Special Metals Corporation group of companies.
