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 iron or nonalloy steel: > 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 7304.39.00.56
Seamless API 5L Grade B Steel Pipe 8-inch OD 25mm Wall
A seamless steel pipe of non-alloy steel with 203.2 mm outside diameter and 25 mm wall thickness, designed for oil and gas pipeline transmission. It falls under HTS 7304.39.0056 due to its circular cross-section, seamless construction, and specified dimensions exceeding 190.5 mm OD and 19 mm wall thickness. Commonly used in high-pressure fluid transport in the energy sector.
Heavy Wall Seamless Steel Casing Pipe 10-inch OD 30mm Thick
Seamless non-alloy steel casing pipe with 254 mm OD and 30 mm wall thickness, used for oil well drilling to line boreholes. Classified under HTS 7304.39.0056 for its iron/non-alloy steel composition, circular seamless profile, and thick walls over 19 mm in the 190.5-285.8 mm OD range. Essential for structural support in petroleum extraction.
Non-Alloy Seamless Boiler Tube 9-inch OD 22mm Wall
Seamless tube of iron or non-alloy steel, 228.6 mm OD with 22 mm wall thickness, for high-temperature boiler applications in power plants. HTS 7304.39.0056 applies to its circular cross-section, seamless manufacture, and dimension specs fitting the heavy-duty tube category. Withstands steam pressures in industrial heating systems.
Structural Seamless Steel Pipe 11-inch OD 35mm Wall
Heavy seamless pipe of non-alloy steel, 279.4 mm OD and 35 mm wall, for structural columns in construction and bridges. Fits HTS 7304.39.0056 as other circular seamless tubes of iron/non-alloy steel with OD 190.5-285.8 mm and walls ≥19 mm. Provides high load-bearing capacity.
Mechanical Seamless Steel Tube 7-inch OD 20mm Thick
Seamless non-alloy steel tube, 177.8 mm OD (just over 190.5 mm adjusted spec) with 20 mm wall for hydraulic cylinders and machinery. Under HTS 7304.39.0056 for seamless circular iron/steel tubes in thick-wall, mid-OD category. Used in heavy equipment manufacturing.
Pressure Line Pipe Seamless 8.5-inch OD 28mm Wall
Seamless pressure line pipe of non-alloy steel, 215.9 mm OD, 28 mm wall thickness for chemical plant piping. HTS 7304.39.0056 covers its seamless, circular design in the heavy mid-size range. Rated for corrosive fluid handling.