Welded Bimetal Steel Heating Fin Tube, Extruded Round Air Heating Finned Tube. Long Service Life: Spiral fin steel pipes offer a service life exceeding 20 years with high density and wear resistance. Robust Welding Bond: High frequency welding ensures a continuous bond preventing fin loosening and unstable heat transfer. Excellent Mechanical Resistance: Fins withstand high pressure jets for frequent cleaning, reducing downtime and extending life. Wide Material Options: Base tubes available in Stainless Steel, Carbon Steel, Alloy Steel, Titanium, Copper, and Inconel. Customizable Dimensions: Hose diameter, length, bending radius, and tensile strength are fully customizable to client needs. Versatile Applications: Suitable for power plants, chemical industries, HVAC, radiators, and waste heat recovery systems. Comprehensive Certifications: Products certified with CE and ISO9001 standards for quality assurance and global compliance.