Of stainless steel
Other tubes and pipes (for example, welded, riveted or similarly closed), having circular cross sections, the external diameter of which exceeds 406.4 mm, of iron or steel: > Other, welded: > Longitudinally welded: > Other: > Of alloy steel > Of stainless steel
Duty Rate (from China)
Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Effective with respect to entries on or after September 27, 2024, articles the product of China, as provided for in subdivision (b) of U.S. note 31 to this subchapter
Products classified under HTS 7305.31.60.10
Super Duplex Stainless Welded Large Pipe
Super duplex 2507 stainless steel longitudinally welded pipe, 24-inch OD, extreme corrosion resistance for seawater injection lines. Classifies under HTS 7305.31.60.10 specifications.
Longitudinally Welded Stainless Steel Pipe 24-inch OD
A large-diameter stainless steel pipe with a 610 mm external diameter, longitudinally welded, suitable for high-pressure fluid transport in industrial applications. Classified under HTS 7305.31.60.10 due to its circular cross-section exceeding 406.4 mm, welded construction, and stainless steel alloy composition. Used in oil and gas pipelines and chemical processing.
24-inch Stainless Steel LSAW Pipe for Oil Pipeline
Longitudinally submerged arc welded (LSAW) stainless steel pipe with 609.6 mm OD for offshore oil transport lines. HTS 7305.31.60.10 applies to its large circular cross-section, longitudinal weld, and stainless steel material.
Stainless Steel LWD Pipe for Power Plant Cooling
Longitudinally welded diameter (LWD) stainless pipe, 16-inch OD equivalent (406.5+ mm), for thermal power plant cooling water intake. Precisely matches HTS 7305.31.60.10 specifications.
Duplex Stainless Steel 18-inch Welded Pipe
Duplex 2205 stainless steel longitudinally welded pipe, 457 mm OD, high strength for subsea oil/gas flowlines. HTS 7305.31.60.10 classification for large welded stainless tubes.
Large Stainless Steel Welded Stack Pipe
610 mm OD longitudinally welded stainless steel stack pipe for industrial chimney exhaust systems handling acidic gases. Fits HTS 7305.31.60.10 as large circular welded stainless pipe.
Stainless Steel Large Penstock Pipe Section
Longitudinally welded stainless steel penstock pipe section, 500 mm OD, for hydroelectric turbine water conduits. HTS 7305.31.60.10 for large welded stainless circular pipes.
Stainless Steel Large Diameter Welded Pipe for Water Treatment
Corrosion-resistant longitudinally welded stainless steel pipe, 500 mm OD, designed for municipal water treatment and desalination plants. Falls under HTS 7305.31.60.10 as a welded tube with circular cross-section >406.4 mm made of stainless steel alloy.
Stainless Steel 20-inch OD Welded Duct Pipe
Large 508 mm OD longitudinally welded stainless steel pipe used as industrial ducting for corrosive gas exhaust systems. Meets HTS 7305.31.60.10 criteria: welded, circular >406.4 mm, stainless steel.
Grade 316L Stainless Large Diameter Welded Pipe
High molybdenum 316L stainless steel pipe, longitudinally welded, 450 mm OD for marine desalination and chemical processing. HTS 7305.31.60.10 due to stainless alloy, large welded circular construction.