Of high-nickel alloy steel
Other tubes, pipes and hollow profiles (for example, open seamed or welded, riveted or similarly closed), of iron or steel: > Other, welded, of circular cross section, of stainless steel: > Having a wall thickness of 1.65 mm or more > Of high-nickel alloy 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 7306.40.50.05
Incoloy 825 Welded Stainless Steel Pipe
Welded circular stainless steel pipe made from high-nickel Incoloy 825 alloy, with wall thickness exceeding 1.65 mm, used in chemical processing for corrosion resistance. Classified under HTS 7306.40.50.05 due to its high-nickel alloy steel composition, welded construction, and specified dimensions. Meets chapter definition for other tubes and pipes of iron or steel.
Hastelloy C-276 Welded Tube
Welded hollow profile tube from Hastelloy C-276 high-nickel alloy steel, wall thickness over 1.65 mm, for harsh corrosive environments like flue gas desulfurization. Fits HTS 7306.40.50.05 as welded, circular cross-section stainless steel of high-nickel alloy. Excludes wire per chapter note (dimension >16 mm).
Inconel 625 Welded High-Nickel Pipe
Welded pipe from Inconel 625 superalloy (high-nickel stainless), wall thickness 1.65 mm or more, for aerospace ground support and power generation. HTS 7306.40.50.05 covers its welded, circular, thick-walled high-nickel steel construction.
Carpenter 20 Welded Pipe
Carpenter 20 (Alloy 20) high-nickel welded stainless pipe, thick wall >1.65 mm, circular cross-section for pharmaceutical processing equipment.
Nickel 200 Welded Hollow Profile
Welded circular hollow profile from Nickel 200 high-nickel alloy steel, wall ≥1.65 mm for battery manufacturing.
Incoloy 800H Welded Tube
High-nickel Incoloy 800H welded tube, thick-walled circular stainless for heat exchangers.
Hastelloy X Welded Pipe
Hastelloy X high-nickel welded stainless pipe ≥1.65 mm wall for gas turbine components.
Alloy 59 Welded Stainless Tube
Alloy 59 high-nickel welded tube, circular thick wall for flue gas cleaning.
Inconel 718 Welded Pipe
Inconel 718 high-nickel alloy welded pipe >1.65 mm wall for oil & gas.
SMO 254 Welded Tube
SMO 254 super-austenitic high-nickel welded stainless tube thick wall.
Alloy C-22 Welded High-Nickel Pipe
Alloy C-22 welded circular pipe high-nickel stainless ≥1.65 mm for waste incineration.
25-6MO Welded Stainless Pipe
25-6MO high-nickel super-austenitic welded pipe thick wall circular for offshore platforms.
Alloy 20Cb-3 Welded Stainless Pipe
Welded pipe of Alloy 20Cb-3 (UNS N08020), high-nickel stainless steel with wall ≥1.65 mm, circular section for sulfuric acid handling in industrial piping. HTS 7306.40.50.05 applies to its high-nickel alloy, welded, thick-walled stainless profile status.
Monel 400 Welded Circular Tube
High-nickel Monel 400 alloy welded tube, stainless steel equivalent with thick walls >1.65 mm, circular cross-section for marine and offshore piping. Under 7306.40.50.05 for welded high-nickel stainless tubes, outside wire dimensions.
AL-6XN Welded Stainless Steel Tube
Welded tube of AL-6XN austenitic high-nickel alloy steel, ≥1.65 mm wall, circular for desalination plants and pulp mills. Fits 7306.40.50.05 as other welded stainless high-nickel tubes/pipes.