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Hastelloy C22 Tube – Superior Corrosion Resistance from China Factory
Hastelloy C22 Tube, a nickel-chromium-molybdenum superalloy, provides exceptional resistance to a wide range of corrosive environments. Ideal for chemical processing, pharmaceutical, and waste treatment applications, this Corrosion Resistant Alloy ensures durability. Our China factory delivers high-quality Hastelloy C22 Tube to global industries.
Price: Contact Us for a Custom Quote
Contact our sales team for a quote on Hastelloy C22 Tube pricing and availability. Flexible terms to meet your needs.
Specifications
- Outer Diameter: 6 mm to 273 mm
- Wall Thickness: 0.5 mm to 20 mm
- Length: Up to 12 meters or customized
- Surface Treatment: Annealed, pickled, or polished
- Standards: ASTM B626, ASME SB626, UNS N06022
Key Features (Advantages)
- Outstanding resistance to pitting, crevice, and stress corrosion
- Superior performance in oxidizing and reducing acids
- High strength across a wide temperature range
- Seamless and welded options for versatility
- Cost-effective for long-term use
Applications
Hastelloy C22 Tube serves industries requiring robust hastelloy material:
- Chemical Processing: Reactors, scrubbers
- Pharmaceutical: Process piping
- Waste Treatment: Incinerators, flue gas systems
- Oil and Gas: Sour gas environments
- Power Generation: Pollution control equipment
Chemical Composition of Hastelloy C22 Tube
| Element | Percentage (%) |
|---|---|
| Nickel (Ni) | 50.0–56.0 |
| Chromium (Cr) | 20.0–22.5 |
| Molybdenum (Mo) | 12.5–14.5 |
| Iron (Fe) | 2.0–6.0 |
| Tungsten (W) | 2.5–3.5 |
| Cobalt (Co) | ≤2.5 |
| Others | Trace |
Mechanical Properties
| Property | Value |
|---|---|
| Tensile Strength | ≥690 MPa |
| Yield Strength (0.2% offset) | ≥310 MPa |
| Elongation | ≥45% |
| Hardness (Brinell) | ≤240 HB |
Chemical Properties
Hastelloy C22 Tube excels in harsh chemical environments:
- Acids: Nitric, sulfuric, hydrochloric, phosphoric
- Alkalis: Sodium hydroxide, ammonium hydroxide
- Environmental Restrictions: Avoid temperatures above 1250°F (677°C) to prevent phase instability.
Things to Note (Limitations)
- Not ideal for highly oxidizing environments above 1250°F (677°C)
- Susceptible to embrittlement in prolonged high-temperature exposure
- Higher hastelloy pipe price compared to standard materials
Corrosion Data for Hastelloy C22 Tube
| Environment | Corrosion Rate (mm/year) |
|---|---|
| Atmospheric (Urban) | <0.01 |
| Seawater | <0.015 |
| 20% Nitric Acid (60°C) | <0.08 |
| 10% Hydrochloric Acid (60°C) | <0.15 |
Welding and Manufacturing Tips
Hastelloy C22 Tube supports various fabrication methods:
- Welding Methods: TIG, MIG, shielded metal arc welding
- Fabrication: Cold forming, hot forming, precision machining
- Precautions: Minimize heat input to maintain corrosion resistance
What Customers Say About Our Hastelloy Material
Frequently Asked Questions
Q: What is the difference between Hastelloy C22 and other grades like Hastelloy C276?
A: Hastelloy C22 offers enhanced resistance to oxidizing agents compared to C276, making it more versatile in mixed environments.
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Q: What are common uses of Hastelloy C22 Tube?
A: It is widely used in chemical processing, marine applications, and pollution control systems.
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Q: How does Hastelloy C22 perform under high temperatures?
A: Hastelloy C22 maintains excellent properties up to 1250°F (676°C). For higher temperatures, alternative materials may need to be considered.
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Q: Can Hastelloy C22 be easily welded?
A: Yes, Hastelloy C22 is highly weldable with standard welding techniques such as TIG and MIG.
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Q: Where can I purchase Hastelloy C22 Tube?
A: Contact our enterprise in China to obtain high-quality Hastelloy C22 Tubes at competitive prices.