Hastelloy C22
Hastelloy C22
Apar Alloys offers Hastelloy C22, a premium nickel-chromium-molybdenum alloy engineered to deliver exceptional corrosion resistance in highly aggressive chemical environments. Known for its superior resistance to pitting, crevice corrosion, and stress corrosion cracking, Hastelloy C22 performs reliably in oxidizing, reducing, and mixed acid systems. Its advanced alloy chemistry—including tungsten and high chromium content—makes it an ideal choice for applications requiring outstanding durability under severe chemical exposure.
Hastelloy C22 maintains stability and mechanical strength across wide temperature fluctuations, offering long-term reliability in pollution-control systems, chemical processing, and marine applications. Apar Alloys is a reliable Supplier and Stockist of certified Hastelloy C22 materials, ensuring consistent quality, high performance, and dependable service life. With excellent weldability, formability, and resistance to corrosive media, Hastelloy C22 is suited for industries seeking robust, corrosion-resistant components.
Specifications
| Grade | AISI | UNS | ASTM A276 / A479 | ASTM A182 | EN (W-Nr) | DIN Spec |
|---|---|---|---|---|---|---|
| Hastelloy C22 | — | N06022 | ASTM B574 / B575 | ASTM B564 | 2.4602 | Hastelloy C22 |
General Characteristics
Nickel-chromium-molybdenum-tungsten corrosion-resistant alloy
Exceptional resistance to pitting and crevice corrosion
Excellent performance in oxidizing, reducing, and mixed chemical environments
High resistance to chloride-induced stress corrosion cracking
Stable mechanical strength at elevated temperatures
Ideal for chemical, marine, pharmaceutical, and pollution-control applications
Chemical Composition (nominal) %
| Element | C | Si | Mn | P | S | Cr | Ni | Mo | N | Cu | Fe |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Hastelloy C22 | ≤0.015 | ≤0.08 | ≤0.50 | — | ≤0.020 | 20.0–22.5 | Balance | 12.5–14.5 | — | — | 2.0–6.0 |
Applications
Chemical processing systems handling acidic and corrosive fluids
Pollution-control equipment and flue-gas scrubbers
Marine and seawater-exposed industrial components
Pharmaceutical and food-processing equipment
Heat exchangers, condensers, and pressure vessels
Petrochemical and refinery equipment requiring high corrosion resistance
Advantages
- Outstanding corrosion resistance in highly aggressive environments
- Superior pitting, crevice corrosion, and SCC resistance
- Excellent performance in both oxidizing and reducing media
- Reliable mechanical strength in high-temperature operations
- Excellent weldability and fabrication characteristics
- Long service life with reduced maintenance needs
Mechanical Properties (Typical at Room Temperature)
| Property | Value |
|---|---|
| Tensile Strength (MPa) | 690 – 760 |
| Yield Strength (MPa) | 310 – 350 |
| Elongation (%) | 45 – 55 |
| Hardness | 160 – 200 HB |
Why Choose Apar Alloys
Reliable Supplier & Stockist
Ready-to-dispatch inventory for various industrial requirements.
Global Sourcing Network
Materials procured from reputed international mills for consistent quality.
Strict Quality Assurance
Every batch undergoes thorough testing, inspection, and certification.
Custom Sizes & Finishes
Tailor-made dimensions, cuts, and finishes to match project needs.
Competitive Pricing & Timely Delivery
Cost-effective material solutions with on-time dispatch.
Technical Expertise & Support
Professional guidance from material selection to final application.
Get in Touch
Contact Us
Looking for trusted supply of Hastelloy C22? Contact Apar Alloys for specifications, custom sizes, and competitive pricing for Hastelloy C22 Bars, Plates, Sheets, Pipes & Components.
[Call] +91 98333 89128
301, 3rd floor, A WING, Krishvi Escape, Near Vinay Health Home, Fanaswadi Bhuleshwar, Mumbai - 400002.
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