Having a wall thickness of 12.7 mm or more but less than 19 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 of 12.7 mm or more but less than 19 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 7304.39.00.52
Seamless Refrigeration Pipe 9-inch OD 18.5mm WT
Heavy wall seamless pipe for industrial refrigeration systems, 228.6 mm OD, 18.5 mm thick. HTS 7304.39.0052 for non-alloy seamless circular profile. Ammonia-compatible construction.
Seamless Mining Slurry Pipe 11.5-inch OD 16mm WT
Abrasion-resistant seamless pipe for mining slurry transport, 292.1 mm OD, 16 mm wall. Classifies HTS 7304.39.0052 dimensionally. Hardness-tested for ore pulp handling.
Seamless Fire Main Pipe 7-inch OD 13.5mm WT
Seamless steel pipe for shipboard fire mains, 190.5 mm OD min, 13.5 mm WT. HTS 7304.39.0052 compliant for marine fire protection systems. UL-listed equivalents.
Heavy Seamless Ductile Iron Replacement Pipe 10-inch 15mm WT
Seamless steel replacement for ductile iron pipe in water mains, 254 mm OD, 15 mm wall. HTS 7304.39.0052 as non-cast iron seamless steel. Push-on joint compatible.
Heavy Seamless Condenser Tube 8.25-inch OD 17.5mm WT
Seamless non-alloy steel condenser water tube, 209.6 mm OD, 17.5 mm WT for power plant cooling. HTS 7304.39.0052 classification for dimensions and seamless nature. High volume flow capacity design.
Seamless API 5L Grade B Steel Pipe 8-inch OD 16mm WT
This seamless steel pipe of non-alloy steel has an outside diameter of 219.1 mm and a wall thickness of 16 mm, designed for oil and gas transmission lines. It falls under HTS 7304.39.0052 due to its circular cross-section, seamless construction, OD between 190.5-285.8 mm, and wall thickness of 12.7-19 mm. Commonly used in pipeline infrastructure for transporting hydrocarbons.
Seamless Steel Stilt Pipe 12-inch OD 12.8mm WT
Seamless pipe for building stilts/foundations in flood zones, 304.8 mm OD, 12.8 mm wall. Exactly HTS 7304.39.0052 spec compliant. Galvanizing optional for corrosion protection.
Seamless ASTM A106 Grade B Pipe 9-inch OD 15mm WT
High-temperature seamless carbon steel pipe per ASTM A106, with 228.6 mm OD and 15 mm wall thickness, used in refineries and power plants. Classified under HTS 7304.39.0052 for its non-alloy steel composition, circular seamless profile, and specified OD/wall dimensions. Ideal for process piping handling steam or hydrocarbons.
Seamless X42 Line Pipe 8.625-inch OD 14.5mm WT
API 5L X42 grade seamless line pipe with 219.1 mm OD and 14.5 mm wall thickness, for natural gas distribution pipelines. Meets HTS 7304.39.0052 criteria: iron/non-alloy steel, seamless, circular, OD 190.5-285.8 mm, wall 12.7-<19 mm. Engineered for burial and high-pressure gas transport.
Seamless A53 Grade B Pipe 10-inch OD 17mm WT
ASTM A53 Grade B seamless carbon steel pipe, OD 254 mm, wall 17 mm thick, for structural and mechanical tubing in construction. Fits HTS 7304.39.0052 as non-alloy seamless circular pipe with qualifying dimensions. Versatile for fencing, piling, or fluid conveyance.
Seamless Boiler Tube SA-192 OD 7.5-inch 13mm WT
ASME SA-192 seamless carbon steel boiler tube, 190.5 mm OD, 13 mm wall, for low/medium pressure boilers. Under HTS 7304.39.0052 for its seamless non-alloy steel construction and exact dimension match. Used in fire-tube boilers for superheated steam generation.
Heavy Wall Seamless Casing Pipe 11-inch OD 18mm WT
Seamless non-alloy steel casing pipe with 279.4 mm OD and 18 mm wall thickness for oil well protection. Precisely matches HTS 7304.39.0052 specifications for large OD seamless pipes. Provides structural integrity in drilling operations.
Seamless Process Pipe A333 Gr1 8-inch OD 15.5mm WT
ASTM A333 Grade 1 seamless carbon steel pipe for low-temperature service, OD 219 mm, 15.5 mm WT. Classifies under HTS 7304.39.0052 as non-alloy circular seamless pipe in dimension range. Used in cryogenic fluid transfer lines.
Large OD Seamless Steel Cylinder Tube 9.5-inch 16.5mm WT
Seamless non-alloy steel tube for hydraulic cylinders, 241.3 mm OD, 16.5 mm wall. HTS 7304.39.0052 due to seamless circular iron/steel construction and wall/OD specs. Precision bored for piston applications in heavy machinery.
Seamless Offshore Platform Pipe 10.75-inch OD 14mm WT
Seamless steel pipe for offshore oil platform legs/piling, 273 mm OD, 14 mm thick. Fits HTS 7304.39.0052 parameters perfectly. Corrosion-resistant for marine structural use.