Stainless Steel Fin Tubes: Optimizing Heat Recovery Efficiency for Global Industries
Stainless Steel Fin Tubes play a crucial role in enhancing the energy efficiency of industrial systems by optimizing heat recovery from boiler flue gases. Their advanced design and manufacturing processes make them indispensable in applications like heat exchangers, fired heaters, and economizers, among others.
High-Frequency Welding Production Excellence
Our state-of-the-art facilities feature four high-frequency welding (HFW) finning machines, allowing us to achieve an impressive daily production capacity of up to 40 tons. The HFW method ensures superior bonding between the fins and the tubes, available in both solid plain and serrated types. This technique guarantees optimal mechanical stability, promoting excellent heat transfer efficiency.
Specifications and Manufacturing Process
Stainless Steel Fin Tubes are manufactured by continuously welding a fin strip in a spiral pattern onto a polished bare tube. This process uses high-frequency resistance welding technology, which ensures an integral mechanical bond between the tube and the fin. The maximum measurement for these tubes includes a tube length of 18 meters, an outer diameter starting at 19 mm, a fin height up to 32 mm, and a fin thickness as thin as 0.8 mm. For solid fins, the minimum pitch is 4 mm, while for serrated fins, it is 3.3 mm.
Quality Assurance and Testing Protocols
To uphold the highest quality standards, our tubes undergo rigorous testing, including hydrostatic or pneumatic tests to verify bonding strength, and tensile tests for mechanical integrity. Visual inspections ensure there are no unwelded parts, fin damage, or impurities. Dimensional checks cover critical aspects like fin height, spacing, and inclination to adhere to international standards or specific customer delivery conditions.
Protective Treatments and Documentation
We apply a red oxide zinc phosphate primer externally, complemented by a volatile corrosion inhibitor (VCI) inside for protection against corrosion. For seamless global distribution, the tubes are end-finished with bevel cuts, dried internally, and varnished externally. Comprehensive documentation accompanies each shipment, including Quality Assurance Plans (QAP), Welding Procedure Specifications (WPS), and manufacturer certificates.
Versatile Application Range
Stainless Steel Fin Tubes are versatile, catering to a variety of systems such as heat exchangers, pre-heaters, coolers, and heat pipes across industries like petrochemical, power generation, and chemical processing. Their capacity to handle extreme temperatures (up to 800°C for stainless steel fins) exemplifies their adaptability and robustness.
Competitive Advantages
Our manufacturing facility spans over 10,000 square meters, equipped with four advanced ERW high-frequency welding lines, consolidating our ability to maintain a steady supply of up to 40 tons daily. We implement a precise quality assurance plan that encompasses raw material scrutiny, in-process controls, and final inspections to guarantee unrivaled product reliability and performance.
Customization and Additional Features
We offer customization for fin and tube material combinations, catering to specific operational requirements. Unique fabrication options include tubes with one side featuring solid plain fins and the other serrated, enhancing versatility. Additionally, our tube swaging process allows for efficient jointing, with spacer rings available to support structural integrity.
Stainless Steel Fin Tubes, with their high-frequency welding craftsmanship and comprehensive quality assurance measures, mark a significant leap in efficient heat recovery solutions. Their durability and customizable designs make them a preferred choice for industries striving for enhanced thermal performance and energy savings globally. By integrating these tubes into your systems, you're investing in reduced operational costs and improved ecological sustainability.
