Customizable Stainless Steel U Tubes 6-38mm OD with 0.5-3.0mm Wall Thickness for Heat Exchangers

Our precision-bent stainless steel U tubes are engineered for heat exchanger and boiler systems where efficient heat transfer and superior corrosion resistance are critical. Manufactured using high-quality stainless steel and advanced U-bending technology, these tubes maintain structural integrity and optimal performance under extreme temperature and pressure conditions.

• 304 / 304L - General-purpose applications with excellent corrosion resistance
• 316 / 316L - Enhanced chloride and chemical resistance for marine and chemical environments
• 321 / 347 / 310S - High-temperature applications
• Duplex & Super Duplex (2205 / 2507) - Superior strength and stress corrosion cracking resistance
• Nickel Alloys (Inconel, Hastelloy, Monel) - Critical applications requiring extreme corrosion resistance

• Tube Outer Diameter: 6mm - 38mm (1/4" - 1.5")
• Wall Thickness: 0.5mm - 3.0mm
• U Bend Radius: 1.5D, 2D, 3D or customized
• Leg Length: Up to 20 meters
• Bend Angle: 180° standard or customized
• Standards: ASTM A213 / A269 / A688, EN10216-5, JIS, GB
• End Finish: Plain, beveled, or threaded; hydro-tested and cleaned

• Heat Exchangers
• Condensers and Boilers
• Power Plants and Nuclear Facilities
• Petrochemical and Chemical Processing
• Air Conditioning and Refrigeration
• Desalination Plants and Marine Systems

• Precise U-bending with smooth radius and no thinning or wrinkling
• Excellent corrosion resistance under high pressure and temperature
• Uniform wall thickness, clean inner surface, and tight dimensional tolerance
• 100% hydrostatic or eddy current testing available
• Available in annealed, pickled, or polished condition

Our enterprise maintains a dedicated Quality Management Department responsible for implementing comprehensive quality management across all sectors, including QC, QA, and management system supervision. Annual management reviews ensure continued conformance, effectiveness, and suitability of our quality systems.

All stainless steel U tubes are packed in seaworthy wooden cases with plastic end caps and protective materials to prevent damage during transport and storage.