Product Overview –Hastelloy C22 Pipes
Hastelloy C22 Pipes, are premium nickel-chromium-molybdenum-tungsten alloy pipes engineered to provide exceptional resistance against some of the most aggressive corrosive environments found in modern industries. The alloy combines high nickel content with chromium, molybdenum, and tungsten to deliver excellent protection against oxidizing acids, reducing acids, wet chlorine, ferric chloride, cupric chloride, seawater, and various mixed chemical environments.
One of the biggest advantages of Hastelloy C22 is its ability to perform reliably where conventional stainless steels, duplex stainless steels, and many other nickel alloys fail due to pitting, crevice corrosion, and chloride-induced stress corrosion cracking. This versatility makes it one of the most preferred materials for chemical processing plants, offshore facilities, pharmaceutical manufacturing, pollution control systems, marine engineering, fertilizer plants, and power generation industries.
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As a trusted supplier, exporter, and stockist of Hastelloy C22 Pipes,we serve customers across the UAE, Saudi Arabia, Qatar, Oman, Kuwait, Bahrain, India, Africa, Europe, and Southeast Asia, delivering quality products, competitive pricing, and reliable logistics for industrial and infrastructure projects.
Material Specification -Hastelloy C22 Pipes
Technical Specifications –Hastelloy C22 Pipes
| Outside Diameter: | ½" NB to 24" NB |
| Wall Thickness: | SCH 5 to SCH XXS |
| Length: | Single Random, Double Random & Custom Length |
| Pipe Ends: | Plain End, Bevel End, Threaded |
| Product Type | Seamless, Welded & ERW Pipes |
| Surface Finish: | Annealed, Pickled, Bright Annealed, Polished |
| Alloy Family: | Nickel-Chromium-Molybdenum-Tungsten Alloy |
| Available Sizes: | ½",¾",1",1¼",1½",2",2½",3",4",5",6",8",10",12",14",16",18",20"24" |
Custom lengths and project-specific sizes are available on request.
Third Party Inspection Available
All specifications are in accordance of Hastelloy C22 . Mechanical and chemical values are as per standard limits. Mill Test Certificates (MTC) available upon request.
Chemical Composition –Hastelloy C22 Pipes
(As per ASTM specification)
| Element | Max (%) |
|---|---|
| Nickel (Ni): | 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% |
| Manganese (Mn) | ≤0.50% |
| Silicon (Si) | ≤0.08% |
| Vanadium (V) | ≤0.35% |
| Phosphorus (P) | ≤0.02% |
| Sulphur (S) | ≤0.02% |
Note: The high molybdenum and tungsten content significantly improves resistance to localized corrosion such as pitting and crevice corrosion, while chromium enhances protection against oxidizing environments.
Mechanical Properties of Hastelloy C22 Pipes
| Property | Value (Min) |
|---|---|
| Yield Strength (0.2%) | ≥ 310 MPa |
| Tensile Strength | ≥ 690 MPa |
| Elongation | ≥45% |
| Melting Point | 1325–1370°C |
| Density | 8.69 g/cm³ |
| Hardness | ≤220 HB |
| Modulus of Elasticity | 206 GPa |
Note :Hastelloy C22 offers an excellent balance of strength, ductility, and corrosion resistance, allowing it to perform reliably in highly aggressive industrial environments with minimal maintenance.
Why Choose Hastelloy C22 Pipes?
Applications of Hastelloy C22 Pipes
Where Hastelloy C22 Pipes are used:
- 🔸Chemical Processing Equipment
- 🔸Acid Transfer Pipelines
- 🔸Offshore Equipment
- 🔸Heat Exchangers
- 🔸High Pressure Piping
- 🔸Pressure Vessels
- 🔸Mining Equipment
- 🔸Furnace Components
- 🔸Decorative Steel Projects
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Key Advantages of Hastelloy C22 Pipes
Best Alternatives to Hastelloy C22 Pipes
- This process provides:
- 🔸 Excellent resistance to aggressive chemicals
- 🔸 Outstanding performance in reducing environments
- 🔸 High durability
Best for:Severe chemical processing and offshore applications.
- 🔸 Excellent resistance to sulfuric and phosphoric acids
- 🔸 Good chloride SCC resistance
- 🔸 Economical for many chemical applications
Best for: Fertilizer, marine, and chemical industries.
- 🔸 Superior mechanical strength
- 🔸 Excellent seawater resistance
- 🔸 Outstanding fatigue performance
Best for: Offshore, marine, and high-pressure industrial systems.