Alloy Round Tube
DELLOK Type L Tension Wrapped Copper EN10204 Square Fin Tube - 50.8mm OD, 16.5mm Fin Height, 13 FPI Minimum
High-performance tension wrapped copper fin tube with L-shaped aluminum or copper fins wound under tension. Features 50.8mm maximum tube OD, 16.5mm fin height, and 13 FPI minimum pitch. Certified to API Standard 661, ideal for power plants, corrosive systems, and industrial heat exchangers with daily production capacity up to 5000 meters.
3.5mm Welded Fin Tubes SA210 Gr A1 Seamless Carbon Steel Double H Fin Tube for Economizers
3.5mm welded fin tubes with SA210 Gr A1 seamless carbon steel core. Double H fin design for economizers and heat exchangers. Hydrostatic and eddy current tested. Customizable fin pitch and tube length up to 18m. Competitive pricing with fast Shanghai port shipping.
DELLOK 99.99% Pure Titanium Welded Tube Gr2 19mm OD 0.5mm Wall ASTM B338
High-purity titanium welded tube with excellent corrosion resistance and lightweight strength. Available in Gr1, Gr2, Gr9. Custom sizes up to 15m. Ideal for heat exchangers, condensers, and nuclear applications. ASTM B337/B338 certified.