Hastelloy C22 C2000 B2 B3 Fin , Hastelloy C22 C2000 B2 B3 Fin Manufacturer, Hastelloy C22 C2000 B2 B3 Fin Supplier, Hastelloy C22 C2000 B2 B3 Fin Exporter, Hastelloy C22 C2000 B2 B3 Fin Precision Tubing, Hastelloy C22 C2000 B2 B3 Fin Small Diameter Tube , Hastelloy C22 C2000 B2 B3 Fin Fin Tubes
Hastelloy finned tubes are engineered for use in highly corrosive and high-temperature environments where efficient heat transfer is essential. Manufactured from premium nickel-based alloys—Hastelloy C22, C2000, B2, and B3—these fin tubes combine excellent mechanical strength with superior corrosion resistance. The addition of external fins significantly increases the surface area, optimizing heat exchange performance in compact designs, making them ideal for demanding applications such as chemical processing, power generation, and marine heat exchangers.
Hastelloy C22 (UNS N06022) is a versatile alloy offering exceptional resistance to both oxidizing and reducing chemicals. It performs reliably in harsh environments containing chlorides, wet chlorine gas, nitric acid, and oxidizing salts. C22 finned tubes are commonly used in systems exposed to aggressive mixed acids or strong oxidizers. Their high resistance to pitting, crevice corrosion, and stress corrosion cracking makes them suitable for a broad range of heat exchanger applications, particularly in chemical and pharmaceutical industries.
Hastelloy C2000 (UNS N06200) extends the corrosion resistance of traditional C-type alloys by incorporating copper, which enhances performance in sulfuric acid and other aggressive acidic environments. It offers excellent resistance to both oxidizing and non-oxidizing chemicals and is favored in multi-process chemical systems. When manufactured with fins, C2000 tubes provide high thermal efficiency in environments requiring prolonged service life and resistance to acid attack, making them ideal for reactors, condensers, and pollution control systems.
Hastelloy B2 (UNS N10665) and B3 (UNS N10675) are nickel-molybdenum alloys specifically designed for reducing environments such as hydrochloric, hydrobromic, and sulfuric acids. B2 offers outstanding resistance to hydrogen chloride and pure hydrochloric acid, while B3 improves upon B2 with greater thermal stability and fabrication ease, reducing the risk of stress corrosion cracking and knife-line attack. These finned tubes are commonly used in vacuum heat exchangers, chemical reactors, and acid production systems where oxidation is minimal.
Specification of Hastelloy C22 C2000 B2 B3 Fin
| Property | Hastelloy C22 | Hastelloy C2000 | Hastelloy B2 | Hastelloy B3 |
|---|---|---|---|---|
| UNS Number | N06022 | N06200 | N10665 | N10675 |
| Main Alloying Elements | Ni, Cr, Mo, W, Fe | Ni, Cr, Mo, Cu, Fe | Ni, Mo | Ni, Mo |
| Corrosion Resistance | Excellent in oxidizing & reducing media | Excellent in sulfuric acid & mixed acids | Outstanding in reducing environments (HCl) | Improved resistance in reducing acids |
| Pitting / Crevice Resistance | Very High | High | Moderate | High |
| Stress Corrosion Cracking | Excellent | Excellent | Poor in oxidizing media | Improved vs. B2 |
| Thermal Stability | High | High | Limited | Improved over B2 |
| Maximum Service Temp (°C) | ~427°C (800°F) | ~450°C (842°F) | ~400°C (752°F) | ~425°C (797°F) |
| Tensile Strength (MPa) | ≥690 | ≥690 | ≥760 | ≥760 |
| Yield Strength (MPa) | ≥283 | ≥276 | ≥310 | ≥310 |
| Density (g/cm³) | 8.69 | 8.62 | 9.22 | 9.22 |
| Applications | Flue gas scrubbers, heat exchangers, marine systems | Reactors, pollution control, sulfuric acid plants | HCl service, pickling systems, vacuum heat exchangers | Chemical processing, improved weldability and thermal cycling |
| Typical Fin Tube Use | Condensers, air coolers, chemical heat exchangers | Heat exchangers in acid recovery and chemical systems | Heat exchangers for HCl and reducing media | Enhanced stability in finned tube exchangers |
Finned tubes made from Hastelloy C22, C2000, B2, and B3 provide an optimal balance of heat transfer performance and corrosion resistance. They are critical components in heat exchangers, condensers, and air coolers across industries such as chemical processing, pharmaceuticals, power plants, marine systems, and wastewater treatment. These alloys not only extend equipment life but also reduce maintenance and downtime, delivering long-term operational efficiency in some of the most challenging industrial environments.
Chemical Composition of Hastelloy C22 C2000 B2 B3 Fin
| Element | Hastelloy C22 | Hastelloy C2000 | Hastelloy B2 | Hastelloy B3 |
|---|---|---|---|---|
| Nickel (Ni) | Balance | Balance | Balance | Balance |
| Chromium (Cr) | 20.0 – 22.5 | 22.0 – 24.0 | ≤1.0 | 1.0 – 3.0 |
| Molybdenum (Mo) | 12.5 – 14.5 | 15.0 – 17.0 | 26.0 – 30.0 | 27.0 – 31.0 |
| Iron (Fe) | 2.0 – 6.0 | 2.0 – 7.0 | 2.0 – 6.0 | 1.0 – 3.0 |
| Tungsten (W) | 2.5 – 3.5 | ≤0.35 | ≤1.0 | ≤3.0 |
| Cobalt (Co) | ≤2.5 | ≤2.0 | ≤1.0 | ≤3.0 |
| Copper (Cu) | ≤0.5 | 1.3 – 1.9 | ≤0.5 | ≤0.5 |
| Carbon (C) | ≤0.015 | ≤0.01 | ≤0.02 | ≤0.01 |
| Manganese (Mn) | ≤0.5 | ≤0.5 | ≤1.0 | ≤3.0 |
| Silicon (Si) | ≤0.08 | ≤0.08 | ≤0.10 | ≤0.10 |
| Phosphorus (P) | ≤0.02 | ≤0.02 | ≤0.025 | ≤0.020 |
| Sulfur (S) | ≤0.02 | ≤0.02 | ≤0.010 | ≤0.010 |
| Vanadium (V) | — | — | — | ≤0.20 |
| Aluminum (Al) | — | ≤0.5 | — | — |
With a proven track record as a Hastelloy C22 C2000 B2 B3 Fin exporter in over 30 countries, Sumer Metal Industries ensures global availability, third-party inspection support, and client-specific customization. Our wide export network combined with strict quality standards has made us a preferred choice for SS 202 tubing worldwide.
Specification of Hastelloy C22 C2000 B2 B3 Fin
| Property | Hastelloy C22 | Hastelloy C2000 | Hastelloy B2 | Hastelloy B3 |
|---|---|---|---|---|
| UNS Number | N06022 | N06200 | N10665 | N10675 |
| Main Alloying Elements | Ni, Cr, Mo, W, Fe | Ni, Cr, Mo, Cu, Fe | Ni, Mo | Ni, Mo |
| Corrosion Resistance | Excellent in oxidizing & reducing media | Excellent in sulfuric acid & mixed acids | Outstanding in reducing environments (HCl) | Improved resistance in reducing acids |
| Pitting / Crevice Resistance | Very High | High | Moderate | High |
| Stress Corrosion Cracking | Excellent | Excellent | Poor in oxidizing media | Improved vs. B2 |
| Thermal Stability | High | High | Limited | Improved over B2 |
| Maximum Service Temp (°C) | ~427°C (800°F) | ~450°C (842°F) | ~400°C (752°F) | ~425°C (797°F) |
| Tensile Strength (MPa) | ≥690 | ≥690 | ≥760 | ≥760 |
| Yield Strength (MPa) | ≥283 | ≥276 | ≥310 | ≥310 |
| Density (g/cm³) | 8.69 | 8.62 | 9.22 | 9.22 |
| Applications | Flue gas scrubbers, heat exchangers, marine systems | Reactors, pollution control, sulfuric acid plants | HCl service, pickling systems, vacuum heat exchangers | Chemical processing, improved weldability and thermal cycling |
| Typical Fin Tube Use | Condensers, air coolers, chemical heat exchangers | Heat exchangers in acid recovery and chemical systems | Heat exchangers for HCl and reducing media | Enhanced stability in finned tube exchangers |
🏭 Industry & Application
- ✅ Hastelloy C22 C2000 B2 B3 Fin for Medical Industry
- ✅ Hastelloy C22 C2000 B2 B3 Fin for Chemical Processing
- ✅ Hastelloy C22 C2000 B2 B3 Fin Fin Lines
- ✅ Hastelloy C22 C2000 B2 B3 Fin for Gas & Liquid Flow
- ✅ Hastelloy C22 C2000 B2 B3 Fin for Heat Exchangers
❓ Frequently Asked Questions (FAQs)
Q1:What are Hastelloy fin tubes used for?
Hastelloy fin tubes are primarily used in heat exchangers, condensers, and cooling systems where both corrosion resistance and efficient heat transfer are critical. They are ideal for chemical processing, pharmaceuticals, marine, power generation, and pollution control systems.
Q2:What is the difference between Hastelloy C22 and C2000?
While both are part of the C-series nickel alloys, Hastelloy C22 excels in oxidizing and mixed chemical environments, offering resistance to chlorides and oxidizing acids. C2000, enhanced with copper, provides better resistance in sulfuric acid and reducing conditions, making it suitable for broader acid service applications.
Q3:When should I choose Hastelloy B2 or B3 instead of C22/C2000?
Choose Hastelloy B2 or B3 for highly reducing environments, especially where hydrochloric acid is present. B3 offers improved thermal stability and better weldability compared to B2, making it suitable for more demanding fabrication or thermal cycling.
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At Sumer Metal Industries Pvt. Ltd., we follow a zero-defect policy by implementing stringent quality checks, using certified raw materials, and continuously improving our processes to deliver reliable and consistent tubing solutions
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