Super Duplex Steel S32760 Fin Tubes, Super Duplex 32760 Fin Tubes, 32760 Super Duplex Fin Tube Manufacturer, Super Duplex 32760 Fin Tube Supplier, Super Duplex 32760 Fin Tube Exporter, Super Duplex 32760 Precision Tubing, Super Duplex 32760 Small Diameter Tube , Super Duplex 32760 Fin Tubes
Super Duplex Steel S32760 Fin Tubes are advanced heat exchanger components known for their excellent corrosion resistance, mechanical strength, and thermal efficiency. These fin tubes are manufactured from Super Duplex Stainless Steel grade S32760, which is a high-alloy, austenitic-ferritic stainless steel. The unique dual-phase microstructure of this alloy provides exceptional resistance to stress corrosion cracking, pitting, and crevice corrosion — making it ideal for use in highly corrosive environments like offshore oil and gas platforms, desalination plants, and chemical processing industries.
The primary advantage of using fin tubes lies in their enhanced surface area, which significantly improves heat transfer efficiency. By incorporating fins on the outer surface of the tubes, the overall heat exchange surface increases without requiring additional space. When made from S32760, these fin tubes not only offer efficient thermal conductivity but also perform reliably in high-temperature and high-pressure conditions. This makes them highly sought after for use in heat exchangers, air coolers, boilers, and condensers.
S32760 is known for its superior strength compared to conventional stainless steels. With a high yield strength and excellent fatigue resistance, fin tubes made from this material are capable of withstanding mechanical stress and dynamic operating conditions. The alloy's composition, rich in chromium, molybdenum, and nitrogen, ensures stability and durability even in chloride-rich environments where other stainless steels may fail prematurely
Additionally, Super Duplex Steel S32760 Fin Tubes offer cost advantages in the long term. While the initial investment may be higher than standard materials, the durability, reduced maintenance, and extended service life of these tubes result in lower lifecycle costs. Their resistance to scaling and fouling further contributes to operational efficiency, minimizing downtime and cleaning frequency in critical systems.
Specification of Super Duplex Steel S32760 Fin Tubes
| Property | Specification |
|---|---|
| Material Grade | Super Duplex Stainless Steel S32760 (UNS S32760 / 1.4501) |
| Standards | ASTM A789 / A790, ASME SA789 / SA790 |
| Outer Diameter (Base Tube) | 6.35 mm to 50.8 mm (1/4” to 2”) or as per customer requirement |
| Wall Thickness | 0.5 mm to 4 mm or as specified |
| Fin Type | Integral, Welded, Extruded, or G-Fin |
| Fin Material | Same as base tube (S32760) or different alloy as per design requirements |
| Fin Density | Up to 11 fins per inch (FPI) or custom |
| Fin Height | 5 mm to 15 mm (standard) |
| Length | Up to 12 meters (can be customized) |
| Temperature Range | -50°C to +300°C (depending on application and pressure) |
| Corrosion Resistance | Excellent (especially against chlorides, acids, and seawater) |
| Tensile Strength | ≥ 750 MPa |
| Yield Strength (0.2% Proof) | ≥ 550 MPa |
| Elongation | ≥ 25% |
| Hardness (HBW) | ≤ 290 |
| Applications | Heat exchangers, condensers, air coolers, marine and offshore equipment |
In conclusion, Super Duplex Steel S32760 Fin Tubes represent a high-performance solution for industries requiring reliable and efficient heat transfer under extreme conditions. Their unique combination of mechanical strength, corrosion resistance, and thermal efficiency makes them an optimal choice for demanding applications in both marine and industrial settings.
Chemical Composition of Super Duplex Steel S32760 Fin Tubes
| Element | Typical Composition (%) | Purpose / Effect |
|---|---|---|
| Chromium (Cr) | 24.0 – 26.0 | Provides corrosion resistance, especially to pitting and crevice corrosion |
| Nickel (Ni) | 6.0 – 8.0 | Enhances toughness and resistance to corrosion |
| Molybdenum (Mo) | 3.0 – 4.0 | Improves resistance to localized corrosion and chlorides |
| Nitrogen (N) | 0.18 – 0.25 | Increases strength and improves pitting resistance |
| Iron (Fe) | Balance | Base metal |
| Manganese (Mn) | 1.0 – 2.0 | Adds strength and toughness |
| Silicon (Si) | 0.5 – 1.0 | Helps oxidation resistance |
| Copper (Cu) | ≤ 0.5 | Enhances corrosion resistance |
| Carbon (C) | ≤ 0.03 | Limits carbide precipitation to prevent sensitization |
| Phosphorus (P) | ≤ 0.03 | Minimizes brittleness |
| Sulfur (S) | ≤ 0.01 | Controlled to reduce inclusions and improve toughness |
With a proven track record as a Super Duplex Steel S32760 Fin Tubes 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 32760 tubing worldwide.
Specification of Super Duplex Steel S32760 Fin Tubes
| Property | Specification |
|---|---|
| Material Grade | Super Duplex Stainless Steel S32760 (UNS S32760 / 1.4501) |
| Standards | ASTM A789 / A790, ASME SA789 / SA790 |
| Outer Diameter (Base Tube) | 6.35 mm to 50.8 mm (1/4” to 2”) or as per customer requirement |
| Wall Thickness | 0.5 mm to 4 mm or as specified |
| Fin Type | Integral, Welded, Extruded, or G-Fin |
| Fin Material | Same as base tube (S32760) or different alloy as per design requirements |
| Fin Density | Up to 11 fins per inch (FPI) or custom |
| Fin Height | 5 mm to 15 mm (standard) |
| Length | Up to 12 meters (can be customized) |
| Temperature Range | -50°C to +300°C (depending on application and pressure) |
| Corrosion Resistance | Excellent (especially against chlorides, acids, and seawater) |
| Tensile Strength | ≥ 750 MPa |
| Yield Strength (0.2% Proof) | ≥ 550 MPa |
| Elongation | ≥ 25% |
| Hardness (HBW) | ≤ 290 |
| Applications | Heat exchangers, condensers, air coolers, marine and offshore equipment |
🏭 Industry & Application
- ✅ Super Duplex 32760 Fin Tubes for Medical Industry
- ✅ Super Duplex 32760 Fin Tubes for Chemical Processing
- ✅ Super Duplex 32760 Tubes for Fin Lines
- ✅ Super Duplex S32760 Fin Tubes for Gas & Liquid Flow
- ✅ Super Duplex 32760 Tubes for Heat Exchangers
❓ Frequently Asked Questions (FAQs)
Q1:What is Super Duplex Steel S32760?
Super Duplex Steel S32760 is a high-alloy stainless steel combining austenitic and ferritic phases. It offers excellent resistance to corrosion, especially in aggressive environments containing chlorides, and has superior mechanical strength compared to standard stainless steels.
Q2:What are fin tubes, and why are they used?
Fin tubes are heat exchanger components with extended surfaces (fins) on the outside to increase the surface area for better heat transfer. They're commonly used in boilers, air coolers, condensers, and heat exchangers where improved thermal efficiency is required.
Q3:Why choose S32760 for fin tubes?
S32760 provides outstanding corrosion resistance, high strength, and excellent resistance to stress corrosion cracking and pitting — especially in marine, offshore, and chemical environments. This makes it ideal for fin tubes operating under high stress and in harsh conditions.
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