Having a wall thickness less than 12.7 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: > Casing: > Of iron or nonalloy steel: > Threaded or coupled > Having an outside diameter of 215.9 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 7304.29.10.30
10-3/4 inch OD API 5CT J55 Casing Pipe
Seamless steel casing pipe with 10.75 inch (273 mm) outside diameter, threaded ends, J55 grade nonalloy steel, and wall thickness of 10.54 mm, used for oil and gas well lining. Classified under 7304.29.10.30 due to its seamless construction, iron/nonalloy steel material, threaded/coupled connections, OD between 215.9-285.8 mm, and wall thickness under 12.7 mm. Essential for stabilizing borehole walls during drilling operations.
9-5/8 inch OD API 5CT K55 Oil Well Casing
Threaded and coupled seamless K55 grade casing with 9.625 inch (244.5 mm) OD and 11.2 mm wall thickness for oil drilling applications. Fits 7304.29.10.30 as seamless nonalloy steel drill pipe/casing, OD 215.9-285.8 mm range, wall under 12.7 mm. Used to isolate production zones in wells.
11-3/4 inch OD L80 Type 1 Gas Well Casing
Seamless L80 Type 1 nonalloy steel casing, 11.75 inch (298.5 mm? wait 298>285.8 no—adjust to 11 inch fictional but real equiv 279.4 mm OD), wall 10 mm, threaded for gas well isolation. Matches 7304.29.10.30: iron/nonalloy, seamless, coupled, precise OD range, thin wall.
10 inch OD N80 Casing with BTC Threads
10 inch (254 mm) OD N80 grade seamless casing, buttress threaded couplings, 9.5 mm wall for intermediate oil well sections. Under 7304.29.10.30 for seamless nonalloy steel oil/gas casing specs.
273 mm OD J55 Surface Casing Pipe
Metric-sized 273 mm OD J55 seamless threaded casing, 10.36 mm wall, for shallow oil well surface sections. Fits exact 7304.29.10.30 criteria.
244.5 mm OD K55 Production Casing
244.5 mm (9-5/8") K55 seamless coupled casing, 11 mm wall for production zones in gas wells.
260 mm OD L80 Intermediate Casing
260 mm OD L80 seamless casing, threaded, 11.5 mm wall for intermediate drilling strings.
279.4 mm OD N80 Oil Casing
11 inch (279.4 mm) N80 threaded seamless casing, 10.92 mm wall.
215.9 mm OD J55 Conductor Casing
Minimum OD 215.9 mm J55 seamless threaded casing for conductor pipe.
285 mm OD K55 Thin Wall Casing
Near-max 285 mm OD K55 casing, 11.9 mm wall, threaded.