Having a wall thickness of 19 mm or more
Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel: > Other, of circular cross section, of other alloy steel: > Other: > Other: > Other: > Other > Having an outside diameter of 190.5 mm or more but not exceeding 285.8 mm: > Having a wall thickness of 19 mm or more
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 7304.59.80.55
Seamless Alloy Steel Boiler Tube 250mm OD 25mm WT
A seamless tube made from alloy steel with a circular cross-section, outside diameter of 250 mm, and wall thickness of 25 mm, designed for high-pressure boiler applications. It falls under HTS 7304.59.80.55 due to its seamless construction, alloy steel material, specified OD range (190.5-285.8 mm), and thick wall of 19 mm or more. These tubes are critical for heat exchangers in power plants.
Alloy Steel Pressure Piping for Oil Refineries 220mm OD 22mm WT
Seamless circular alloy steel tube with 220 mm OD and 22 mm wall thickness, used in high-pressure process lines for petroleum refineries. Classified under HTS 7304.59.80.55 for its alloy steel composition, seamless form, OD between 190.5-285.8 mm, and thick walls suited for extreme conditions.
Alloy Steel Heat Exchanger Tube 200mm OD 20mm WT
Seamless alloy steel tube with 200 mm OD and 20 mm wall thickness, optimized for heat exchanger shells in industrial HVAC systems. Fits HTS 7304.59.80.55 as a seamless, circular, other alloy steel tube with OD 190.5-285.8 mm and thick walls.
High-Pressure Gas Line Seamless Alloy Pipe 260mm OD 28mm WT
Seamless circular tube of alloy steel, 260 mm OD and 28 mm thick walls, for natural gas transmission under high pressure. Classified in HTS 7304.59.80.55 for seamless alloy steel, correct OD range, and heavy wall construction.
Corrosion-Resistant Alloy Tube for Power Plant Piping 280mm OD 24mm WT
Seamless alloy steel tube with enhanced corrosion resistance, 280 mm OD and 24 mm wall thickness for steam piping in power generation. HTS 7304.59.80.55 applies due to seamless circular design, alloy steel, size specs, and thick walls.
Heavy Duty Seamless Alloy Steel Cylinder Barrel 230mm OD 26mm WT
Seamless alloy steel tube serving as hydraulic cylinder barrels, 230 mm OD and 26 mm thick, for heavy machinery. Fits under HTS 7304.59.80.55 as other seamless alloy steel circular tubes with qualifying dimensions.
Alloy Steel Injection Molding Machine Barrel 195mm OD 19.5mm WT
Precision seamless alloy tube, 195 mm OD and 19.5 mm wall, used as screw barrels in plastic injection molding machines. HTS 7304.59.80.55 due to seamless alloy circular profile, OD just over 190.5 mm, and minimum 19 mm wall.
Heavy-Wall Seamless Alloy Tube for Chemical Processing 240mm OD 30mm WT
Robust seamless alloy steel tube featuring 240 mm outside diameter and 30 mm wall thickness, engineered for corrosive chemical transport in processing plants. It matches HTS 7304.59.80.55 precisely with its circular seamless profile, alloy steel, OD in the 190.5-285.8 mm range, and wall over 19 mm.
Seamless Alloy Steel Structural Hollow Section 210mm OD 21mm WT
Circular seamless alloy steel tube, 210 mm OD with 21 mm wall, used as structural columns in heavy industrial frameworks. Meets HTS 7304.59.80.55 criteria: seamless, alloy, circular, OD 190.5-285.8 mm, wall 19 mm+.
Seamless Alloy Steel Drill Pipe Riser 270mm OD 25mm WT
Heavy-wall seamless alloy steel tube for offshore drilling risers, 270 mm OD and 25 mm thick. Classifies in HTS 7304.59.80.55 for other seamless alloy tubes meeting size and wall criteria.