Inconal 625 Fin tubes, Inconal 625 Fin Tube Manufacturer, Inconal 625 Fin Tube Supplier, Inconal 625 Fin Tube Exporter, Inconal 625 Precision Tubing, Inconal 625 Small Diameter Tube ,Inconal 625 Instrumentation Tubes
Inconel 625 fin tubes are advanced heat exchanger tubes manufactured from Inconel 625, a nickel-based superalloy known for its remarkable combination of strength, corrosion resistance, and high-temperature durability. These tubes are uniquely designed with external fins—either extruded or welded—to increase the surface area available for heat transfer. This design significantly improves thermal efficiency, making Inconel 625 fin tubes ideal for critical applications where reliable heat exchange and material longevity are essential.
The core material, Inconel 625, contains high percentages of nickel, chromium, molybdenum, and niobium, which work together to provide exceptional resistance against oxidation, sulfidation, and pitting corrosion. This alloy maintains its mechanical strength at elevated temperatures up to approximately 980°C (1800°F), making it suitable for demanding environments. Additionally, Inconel 625 offers excellent fatigue and creep resistance, as well as good weldability and formability, allowing it to be fabricated into finned tubes without compromising structural integrity.
The fins on Inconel 625 tubes are either extruded directly from the base tube or welded on, creating an extended surface area that boosts heat dissipation or absorption in heat exchanger systems. The fins are designed to maintain strong metallurgical bonds with the base tube to withstand thermal cycling and mechanical stresses during operation. These tubes are available in various shapes, sizes, and fin configurations to match the specific requirements of different industrial processes, such as round or square tubes with helical or straight fins.
Due to their superior resistance to harsh chemicals, seawater, and extreme temperatures, Inconel 625 fin tubes are widely used in industries such as chemical processing, marine engineering, power generation, oil and gas exploration, and aerospace. They are particularly valued in heat exchangers, condensers, boilers, and cooling systems where efficient heat transfer is critical under corrosive or high-temperature conditions. Their durability helps minimize downtime and maintenance costs, making them a preferred choice for long-term, high-performance applications.
Specification of Inconal 625 Fin tubes
| Specification | Details |
|---|---|
| Material Grade | Inconel 625 (UNS N06625, Werkstoff No. 2.4856) |
| Base Material Composition | Ni ≥ 58%, Cr 20-23%, Mo 8-10%, Nb+Ta 3.15-4.15%, Fe ≤ 5%, Trace elements minimal |
| Fins Type | Extruded fins or welded fins |
| Tube Forms | Seamless, welded, ERW |
| Tube Shape | Round, square, rectangular |
| Fin Configuration | Helical fins, straight fins, serrated fins |
| Outer Diameter (OD) | Typically from 6 mm up to 100+ mm, customizable |
| Wall Thickness | 0.5 mm to 5 mm or per customer requirement |
| Fin Height | Usually between 1 mm to 6 mm (varies by design) |
| Fin Pitch (spacing) | Typically 2 mm to 10 mm |
| Mechanical Properties | Tensile strength: ~930 MPa, Yield strength: ~517 MPa, Elongation: ~42.5% |
| Density | ~8.4 g/cm³ |
| Melting Point | ~1350 °C (2460 °F) |
| Operating Temperature Range | Up to ~980 °C (1800 °F), with some applications up to 1093 °C (2000 °F) |
| Corrosion Resistance | Excellent resistance to oxidation, pitting, crevice, and stress corrosion in harsh environments |
| Standards Compliance | ASTM B444, ASTM B163, ASTM B516, ASTM B829, ASME SB444, AMS 5581 |
| Surface Finish | Bright annealed, pickled, polished, customized finishes |
| Applications | Heat exchangers, condensers, boilers, marine, chemical, aerospace, oil & gas |
Inconel 625 fin tubes combine excellent corrosion resistance, thermal stability, and mechanical strength with the enhanced heat transfer capabilities of finned designs. They comply with industry standards such as ASTM B444 and ASME SB444, ensuring consistent quality and reliability. The alloy’s ability to withstand aggressive environments without degradation translates into longer service life and improved operational efficiency. Overall, Inconel 625 fin tubes provide an optimal solution for high-performance heat exchange systems operating in some of the most challenging industrial conditions.
Chemical Composition of Inconal 625 Fin tubes
| Element | Composition (wt%) |
|---|---|
| Nickel (Ni) | 58.0 min |
| Chromium (Cr) | 20.0 – 23.0 |
| Molybdenum (Mo) | 8.0 – 10.0 |
| Niobium + Tantalum (Nb + Ta) | 3.15 – 4.15 |
| Iron (Fe) | ≤ 5.0 |
| Cobalt (Co) | ≤ 1.0 |
| Manganese (Mn) | ≤ 0.5 |
| Silicon (Si) | ≤ 0.5 |
| Carbon (C) | ≤ 0.10 |
| Phosphorus (P) | ≤ 0.015 |
| Sulfur (S) | ≤ 0.015 |
| Copper (Cu) | ≤ 0.5 |
| Aluminum (Al) | ≤ 0.4 |
With a proven track record as a Inconal 625 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 Inconal 625 tubing worldwide.
Specification of Inconal 625 Fin tubes
| Specification | Details |
|---|---|
| Material Grade | Inconel 625 (UNS N06625, Werkstoff No. 2.4856) |
| Base Material Composition | Ni ≥ 58%, Cr 20-23%, Mo 8-10%, Nb+Ta 3.15-4.15%, Fe ≤ 5%, Trace elements minimal |
| Fins Type | Extruded fins or welded fins |
| Tube Forms | Seamless, welded, ERW |
| Tube Shape | Round, square, rectangular |
| Fin Configuration | Helical fins, straight fins, serrated fins |
| Outer Diameter (OD) | Typically from 6 mm up to 100+ mm, customizable |
| Wall Thickness | 0.5 mm to 5 mm or per customer requirement |
| Fin Height | Usually between 1 mm to 6 mm (varies by design) |
| Fin Pitch (spacing) | Typically 2 mm to 10 mm |
| Mechanical Properties | Tensile strength: ~930 MPa, Yield strength: ~517 MPa, Elongation: ~42.5% |
| Density | ~8.4 g/cm³ |
| Melting Point | ~1350 °C (2460 °F) |
| Operating Temperature Range | Up to ~980 °C (1800 °F), with some applications up to 1093 °C (2000 °F) |
| Corrosion Resistance | Excellent resistance to oxidation, pitting, crevice, and stress corrosion in harsh environments |
| Standards Compliance | ASTM B444, ASTM B163, ASTM B516, ASTM B829, ASME SB444, AMS 5581 |
| Surface Finish | Bright annealed, pickled, polished, customized finishes |
| Applications | Heat exchangers, condensers, boilers, marine, chemical, aerospace, oil & gas |
🏭 Industry & Application
- ✅ Inconal 625 Fin Tubes for Medical Industry
- ✅ Inconal 625 Fin Tubes for Chemical Processing
- ✅ Inconal 625 Tubes for Instrumentation Lines
- ✅ Inconal 625 Fin tubes for Gas & Liquid Flow
- ✅ Inconal 625 Tubes for Heat Exchangers
❓ Frequently Asked Questions (FAQs)
Q1:What are Inconel 625 fin tubes?
Inconel 625 fin tubes are heat exchanger tubes made from Inconel 625, a nickel-based superalloy, with external fins either extruded or welded onto the tube surface to increase heat transfer efficiency.
Q2:What makes Inconel 625 suitable for fin tubes?
Inconel 625 offers exceptional corrosion resistance, high-temperature strength, oxidation resistance, and excellent mechanical properties, making it ideal for fin tubes used in harsh and high-temperature environments.
Q3:What industries commonly use Inconel 625 fin tubes?
These fin tubes are widely used in chemical processing, marine, power generation, aerospace, oil and gas, and nuclear industries due to their durability and thermal efficiency.
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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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