Hangbo Alloy Group
Shanghai · Est. 2012
UNS N06022 / W.Nr. 2.4602 — Chemical composition, mechanical properties, and corrosion resistance data for engineers and procurement professionals.
Hastelloy C-22 (UNS N06022 / W.Nr. 2.4602) is a versatile nickel-chromium-molybdenum-tungsten alloy with better overall corrosion resistance than C-276, especially in oxidizing environments. The high chromium content provides superior resistance to oxidizing media while molybdenum and tungsten offer protection in reducing environments.
The chemical composition of Hastelloy C-22 is carefully controlled to achieve its unique combination of properties and performance characteristics.
| Element | Min % | Max % |
|---|---|---|
| Nickel (Ni) | 50.0 | Balance |
| Chromium (Cr) | 20.0 | 22.5 |
| Molybdenum (Mo) | 12.5 | 14.5 |
| Tungsten (W) | 2.5 | 3.5 |
| Iron (Fe) | 2.0 | 6.0 |
| Carbon (C) | — | 0.015 |
| Cobalt (Co) | — | 2.5 |
| Vanadium (V) | — | 0.35 |
The mechanical properties of Hastelloy C-22 vary depending on product form and heat treatment condition. The data below represents typical values for solution-annealed material.
| Property | Value |
|---|---|
| Tensile Strength | 760 MPa |
| Yield Strength (0.2% offset) | 350 MPa |
| Elongation in 2 inches | 62% |
| Density | 8.69 g/cm3 |
| Melting Point | 1357 °C |
| Max Service Temperature | 1040 °C |
Outstanding resistance to both oxidizing and reducing environments. Superior to C-276 in mixed acid environments. Excellent resistance to localized corrosion including pitting, crevice corrosion, and stress corrosion cracking. Resistant to chloride-induced attack.
The unique combination of properties makes Hastelloy C-22 suitable for a wide range of demanding applications:
Hangbo Alloy Group manufactures and supplies Hastelloy C-22 in the following product forms, conforming to ASTM, AMS, and ASME specifications:
| Standard | Description |
|---|---|
| ASTM B575 | Plate, Sheet, and Strip |
| ASTM B619 | Welded Pipe |
| ASTM B622 | Seamless Pipe and Tube |
| ASTM B574 | Bar and Rod |
| ASTM B564 | Forgings |
| AWS A5.14 | Welding Wire (ERNiCrMo-10) |
Hangbo Alloy Group maintains extensive inventory of Hastelloy C-22 in all standard product forms. We can provide mill test certificates, third-party inspection reports (SGS, TUV), and custom processing services.
For quotations, material certifications, or technical consultation, contact our sales team or call +86-136-1165-6360. We typically respond within 10 minutes.
Request a quotation for Hastelloy C-22 round bars, tubes, plates, or custom products. We stock standard sizes and accept custom orders.
Hastelloy C-22 is used in chemical processing, flue-gas desulfurization, and waste-incineration equipment where resistance to strongly oxidizing acids is critical.
It is generally used up to about 677 °C (1250 °F); above this the alloy can become susceptible to precipitation that reduces corrosion resistance.
Yes. Every order ships with EN 10204 3.1 mill test certificates and can be supplied with third-party inspection (SGS, TÜV). Review our test reports & traceability process.
We supply plates & sheets, round bars, seamless tubes, forgings, and welding wire per ASTM/ASME.
Contact our sales team or call +86-136-1165-6360 for pricing and lead time — typical response within 10 minutes.
As a dedicated nickel alloy manufacturer serving chemical processing, oil & gas sectors, Hangbo Alloy Group stocks Hastelloy C-22 (UNS N06022) across all standard product forms with full ASTM/ASME documentation and EN 10204 3.1 certification. Our material is specified for applications where corrosion resistance, high-temperature strength, and traceable quality are non-negotiable.