Having a wall thickness less than 12.7 mm
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 less than 12.7 mm
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 7304.39.00.48
Seamless Steel Boiler Tube OD 250mm WT 10mm
A seamless tube of non-alloy steel with circular cross-section, outside diameter 250mm and wall thickness 10mm, used in high-pressure boilers for heat transfer. It falls under HTS 7304.39.0048 due to its seamless construction, non-alloy steel material, OD between 190.5-285.8mm, and wall thickness under 12.7mm. These tubes are precision-engineered for structural integrity in industrial heating systems.
Non-Alloy Steel Pressure Piping OD 220mm WT 8mm
Seamless circular hollow profile of iron or non-alloy steel, OD 220mm and wall thickness 8mm, designed for high-pressure fluid transport in petrochemical plants. Classified under 7304.39.0048 for its seamless nature, specified OD range, and thin wall. Ideal for corrosive environments requiring durability without alloying.
Seamless Carbon Steel Structural Hollow OD 260mm WT 11mm
Seamless non-alloy steel tube with 260mm OD and 11mm wall thickness, used as structural columns in construction frameworks. Meets HTS 7304.39.0048 criteria: circular cross-section, seamless, non-alloy, OD 190.5-285.8mm, wall <12.7mm. Provides high strength-to-weight ratio for load-bearing applications.
API Grade Seamless Line Pipe OD 240mm WT 9.5mm
Seamless non-alloy steel line pipe meeting API 5L standards, OD 240mm, wall 9.5mm, for natural gas transmission lines. Fits 7304.39.0048 as other seamless tubes of iron/non-alloy steel in the specified size range. Corrosion-resistant coating optional for pipeline integrity.
Heavy Wall Seamless Cylinder Tube OD 210mm WT 7mm
Seamless non-alloy steel tube for hydraulic cylinder manufacturing, OD 210mm, wall thickness 7mm. Under HTS 7304.39.0048 for circular seamless pipes of iron/non-alloy steel in size specs. Precision tolerances ensure smooth piston operation in industrial machinery.
Non-Alloy Steel Heat Exchanger Tube OD 280mm WT 10.5mm
Large seamless tube of non-alloy steel for shell-and-tube heat exchangers, OD 280mm, wall 10.5mm. Classifies in 7304.39.0048 due to seamless form, circular section, non-alloy, and dimensions. U-bend configurations possible post-import for thermal efficiency.
Seamless Steel Condenser Pipe OD 195mm WT 6mm
Seamless non-alloy steel pipe for power plant condensers, OD 195mm, wall thickness 6mm, enabling efficient steam condensation. HTS 7304.39.0048 applies for other seamless circular tubes in this size with thin walls. High cleanliness standards for thermal performance.
Carbon Steel Seamless Duct Pipe OD 270mm WT 9mm
Seamless carbon steel duct pipe for industrial ventilation systems, OD 270mm, 9mm wall, ensuring airtight pressure handling. Falls under 7304.39.0048 as other seamless iron/non-alloy tubes of circular section in range. Galvanizing optional for corrosion resistance.
Large OD Seamless Feedwater Pipe OD 255mm WT 8.5mm
Seamless non-alloy steel feedwater pipe for boiler feed systems, OD 255mm, WT 8.5mm, handling high-temperature water. HTS 7304.39.0048 for seamless circular tubes meeting size criteria. Critical for power generation efficiency.
Seamless Steel Pile Tube OD 285mm WT 11.5mm
Heavy-duty seamless non-alloy steel tube for offshore foundation piles, OD 285mm, wall 11.5mm. Classifies under 7304.39.0048 as other circular seamless tubes in OD/wall specs. High yield strength for marine construction.