U Bend Tube

ASTM A210/A210M certified seamless carbon steel finned tubes with 12.7-114.3mm outer diameter and 0.8-15mm wall thickness. Features longitudinal I/L or U shape fins welded using resistance welding, offering superior heat transfer, energy efficiency, and longer service life compared to helical fin tubes. Ideal for boiler, superheater, and heat exchanger applications.

High-frequency welded longitudinal finned tubes manufactured to DIN 17175 standards. Available in carbon steel, stainless steel, and alloy steel materials with tube OD from 19mm to 60mm and up to 36 fins per row. Ideal for heat exchangers, fired heaters, and industrial heating applications with daily production capacity of 500 meters.

Professional 63.5mm OD serpentine pipe elbow for boiler convection heating systems. Features integral low fins for enhanced heat transfer efficiency, available in circular/hexagonal/octagonal shapes. Certified CE, ISO, EN10204 with 1-year warranty. Ideal for converting saturated steam to superheated steam in industrial boiler applications.

Professional continuous hairpin welded fin tubes with 1500mm bending radius and 35000mm maximum straight length. Manufactured from ASTM A106 seamless carbon steel, these U-bend tubes feature stress relief heat treatment, 600 bar hydrostatic testing, and comprehensive quality control for boilers and economizers.

High-performance U bend tubes designed for superheaters, economizers, and heat exchangers. Available in carbon steel and stainless steel with OD up to 76mm and wall thickness 0.5-8mm. Features stress relief heat treatment, multiple ASTM standards compliance, and rust prevention coating. Ideal for industrial boiler systems and pressure vessels with maximum 25m developed length.

Premium ASTM A213 compliant stainless steel 304L U-bend heat exchanger tubes with maximum 35000mm length and 600 bar hydrostatic test pressure. Features stress relief heat treatment, multiple steel grade options, and comprehensive quality certifications including CE and ISO standards for industrial applications.

Professional seamless cold drawn boiler pipe elbows designed for high-pressure heat exchanger applications. Features ASTM A192/A210 standards compliance, stress relief heat treatment, and comprehensive quality testing including hydrostatic testing up to 600 Bar. Available in lengths up to 35,000mm with multiple international standard compatibility for industrial boiler systems.

Professional U bend tube heat exchanger bundle manufactured from ASTM A213/ASME T22 seamless alloy steel. Features cold bend processing, hydrostatic testing up to 600 Bar pressure, and comprehensive quality assurance. With 10,000+ sqm workshop capacity and daily production of 3,000 meters, offering high-efficiency heat transfer solutions for demanding industrial applications.

ASTM A213 TP321/321H seamless stainless steel U bend tubes for boiler and superheater applications. Features 35000mm maximum length, 600 bar hydrostatic pressure testing, stress relief heat treatment, and comprehensive quality assurance including eddy current, ultrasonic, and hydrostatic testing. Available in multiple steel grades with custom packaging options.

Professional ASTM A179 seamless carbon steel U-bend tube bundles for heat exchangers. Features stress relief treatment, 600 bar hydrostatic testing, multiple international certifications (CE, ISO, EN10204), and comprehensive quality testing including eddy current and mechanical analysis. Custom packaging with 1-year warranty and technical support.

High Frequency Resistance Welded Helical Steel Fin Tubes for efficient waste heat recovery from boiler flue gas. Features 40-ton daily production capacity, 8-9x higher heat transfer efficiency than plain tubes, and comprehensive quality certification including QAP, WPS, and PQR. Available in solid plain and serrated fin types with U-bend configurations.

Custom-manufactured spiral copper coils designed for efficient steam cooling applications. Features excellent thermal conductivity, superior corrosion resistance, and high durability for industrial systems. Available in custom dimensions to meet specific cooling requirements with flexible installation options.

Professional stainless steel coil heat exchanger condenser featuring corrosion-resistant 304, 316, and 316L alloys. Designed for efficient thermal transfer in industrial applications with custom sizing and processing options. Ideal for chemical processing, HVAC systems, and high-temperature environments requiring durable, flexible heat exchange solutions.

DELLOK Yonghui high temperature resistant U-type elbow header coiler delivers exceptional thermal performance for industrial applications. Features robust construction, efficient heat transfer, and full customization support. Ideal for demanding cooling and heating systems requiring reliable, durable performance in extreme temperature environments.

High-performance stainless steel U-tube heat exchanger featuring 1D-10D bending radius flexibility for space-optimized installations. Designed specifically for evaporation cooling applications with superior corrosion resistance, thermal efficiency, and customizable configurations to meet industrial requirements.

DELLOK YONGHUI U-shaped coil heat exchangers feature anti-scaling design for superior heat transfer efficiency. Available in copper, stainless steel, and titanium materials with diameters from 0.5" to 2" and lengths up to 20 feet. Ideal for HVAC, refrigeration, and industrial applications requiring compact, durable thermal solutions.

Premium seamless U-coils manufactured from SA213, SS304, and 316L stainless steel with custom polished surfaces. Features precision U-bend design for optimal heat transfer, enhanced corrosion resistance, and available with fast delivery options for industrial applications requiring reliable heat exchange solutions.