Alloy C-22 / UNS N06022
Versatile nickel-chromium-molybdenum-tungsten alloy designed for resistance to oxidizing and reducing corrosive environments.
Request C-22 QuoteAlloy C-22 Can Be Supplied in Multiple Forms.
UNS N06022 can be reviewed in different product forms to match fabrication, machining and project requirements. Final availability depends on specification, dimensions, heat-treatment condition, quantity and inspection requirements.

Bar & Rod
Forged, rolled, peeled and machined bar supplied to project dimensions and finishing requirements.
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Pipe & Tube
Seamless pipe, straight tube and U-bend tube for process, pressure and heat-transfer service.
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Sheet & Plate
Plate and sheet for pressure equipment, vessels, exchangers, high-temperature service and fabrication.
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Wire
Alloy wire for welding, springs, heating, forming and engineered applications.
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Strip
Cold-rolled and precision strip for heat-resistant, electrical, spring and specialty component applications.
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Forgings
Custom forged bars, rings, blanks and near-net components for demanding mechanical and thermal service.
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Welding Materials
Nickel and nickel-alloy welding wire and specialty welding materials for compatible fabrication and repair.
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Machined Parts
Drawing-based components with material traceability, machining control and inspection support.
Request this form →Overview & Key Features
Alloy C-22 offers broad resistance to pitting, crevice corrosion and stress-corrosion cracking and is used in severe chemical, pharmaceutical and pollution-control environments.
Applications
Chemical process equipment, reactors, piping, heat exchangers, pharmaceutical equipment, flue-gas desulfurization and pollution-control systems.
Manufacturing & Inspection
Supply is reviewed against the required product standard, condition, dimensions and inspection plan, with traceability and documentation prepared for international project requirements.
Composition, Mechanical Properties & Product Standards
Alloy C-22 Specifications
| Grade | UNS | W.Nr. |
|---|---|---|
| Alloy C-22 | N06022 | 2.4602 |
Chemical Composition
| Grade | % | C | P | S | Mn | Si | Cr | Co | Mo | Ti | Al | Fe | W | V | Ni |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Alloy C-22 | Min | 20 | 125 | 12.5 | 0.6 | 2 | 2.5 | Bal. | |||||||
| Max | 0.15 | 0.02 | 0.02 | 0.50 | 0.08 | 22 | 14.5 | 14.5 | 1.2 | 0.2 | 6 | 3.5 | 0.35 |
Mechanical Properties — Minimum Value at 20°C
| Tensile Strength σb / MPa | Yield Strength σp0.2 / MPa | Elongation σ5 / % |
|---|---|---|
| 690 | 310 | 45 |
Product Standards
| Pipe | Sheet | Rod | Strip |
|---|---|---|---|
| ASTM A213 ASTM A335 | ASTM B575 | ASTM B574 | ASTM B575 |