Having a wall thickness exceeding 9.5 mm
Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel: > Casing, tubing and drill pipe, of a kind used in drilling for oil or gas: > Other drill pipe: > Of alloy steel > Having an outside diameter not exceeding 168.3 mm: > Having a wall thickness exceeding 9.5 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 7304.23.60.45
API 5CT L-80 Alloy Steel Drill Pipe
Seamless alloy steel drill pipe conforming to API 5CT L-80 specifications, with outside diameter of 127 mm and wall thickness of 12.7 mm, used for oil and gas drilling operations. Classified under HTS 7304.23.60.45 due to its seamless construction, alloy steel composition, drill pipe function, OD ≤168.3 mm, and wall thickness >9.5 mm.
4.5-inch P110 Alloy Steel Casing Tubing
Seamless P110 grade alloy steel tubing with 4.5-inch (114.3 mm) OD and 12 mm wall thickness, used as casing in oil well drilling to line boreholes. Meets HTS 7304.23.60.45 criteria as seamless alloy steel drill pipe/casing with OD ≤168.3 mm and wall >9.5 mm.
3.5-inch T95 Alloy Steel Drill Pipe
Heavy wall seamless T95 alloy steel drill pipe, 3.5-inch (88.9 mm) OD with 11.5 mm wall thickness, designed for high-pressure sour gas drilling environments. Falls under 7304.23.60.45 as alloy steel seamless drill pipe with specified OD and wall thickness parameters.
127 mm OD Q125 High-Strength Drill Tubing
Proprietary Q125 grade seamless alloy steel tubing with 127 mm OD and 13.2 mm wall thickness for ultra-deepwater drilling. API 5CT compliant with enhanced collapse resistance, classified under HTS 7304.23.60.45 specifications.
5-inch C110 Alloy Steel Casing Pipe
Seamless C110 alloy steel casing pipe, 5-inch (127 mm) OD with 10.92 mm wall thickness for intermediate casing strings in deviated wells. Meets all criteria for HTS 7304.23.60.45 classification as heavy-wall alloy steel drill pipe/casing.
114.3 mm Alloy Steel Heavy Weight Drill Pipe
Heavy weight drill pipe (HWDP) of seamless alloy steel, 114.3 mm OD with 11 mm wall thickness, featuring upset ends for tool joint welding. Essential transition pipe between drill collars and regular drill pipe in oil/gas drilling, under HTS 7304.23.60.45.
4-1/2 inch 13.8# Alloy Casing
13.8 lb/ft seamless alloy steel casing, 4-1/2 inch OD (114.3 mm) with 10.2 mm calculated wall thickness per API tables. Production casing for oil wells, precisely matching HTS 7304.23.60.45 parameters for small diameter heavy wall alloy drill pipe.