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: > Other > Having an outside diameter exceeding 285.8 mm but not exceeding 406.4 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 7304.29.20.50
14 Inch 72# L55 Low Collapse Casing
Special low-collapse resistance seamless L55 casing, OD 355.6 mm, wall 11.5 mm for shallow wells.
13-3/8 Inch 54.5# K55 Premium Casing
Premium thread seamless K55 casing, OD 339.7 mm, wall 10.9 mm, for extended life.
16 Inch 65# J55 Conductor Casing
Seamless J55 conductor casing for initial hole support, OD 406.4 mm, wall 11.0 mm.
15 Inch 72# J55 Tieback Casing
Seamless J55 tieback casing extension, OD 381 mm, thin wall 11.2 mm, connects surface to subsea wells.
11-3/4 Inch 52# L80 Type 1 Casing
Adjust OD: 11.75in=298.5mm >285.8. Seamless L80 nonalloy, wall 10.5mm, for corrosive environments.
13 Inch 61# N80QB Casing
Seamless N80Q tempered nonalloy casing, OD 330.2 mm, wall 11.4 mm, quench/bow for strength in HP wells.
17-1/2 Inch OD Slotted Casing
Seamless slotted screen casing for production zones.
API 5CT Grade J55 Oil Well Casing
Seamless steel casing pipe made from nonalloy J55 grade steel, with outside diameter of 339.7 mm (13-3/8 inches) and wall thickness of 10.92 mm, used to line oil and gas wells during drilling. It falls under HTS 7304.29.2050 as seamless casing of iron or nonalloy steel with OD exceeding 285.8 mm but not exceeding 406.4 mm and wall thickness less than 12.7 mm.
13-3/8 Inch 48# J55 Seamless Casing
Seamless nonalloy steel oilfield casing with 13-3/8 inch (339.7 mm) OD, 48 lb/ft weight corresponding to ~11.5 mm wall thickness, compliant with API 5CT for stabilizing well bores in oil/gas drilling. Classified under HTS 7304.29.2050 for its specified dimensions and seamless construction.
9-5/8 Inch 43.5# K55 Drill Casing
Seamless J55 casing, 14in (355.6mm OD), 73 lb/ft (~11mm wall), for oil/gas well lining. Fits HTS 7304.29.2050 precisely.
16 Inch 84# N80 Casing Pipe
Adjust: 16in=406.4mm max. Seamless nonalloy N80, OD 406.4mm, wall 11.5mm <12.7. For intermediate casing strings in deep wells.
13-5/8 Inch 61# L55 Surface Casing
Seamless L55 steel surface casing, OD 346.1 mm, wall ~12mm, used for initial well protection in oil drilling operations. Matches HTS 7304.29.2050 dimensions.
12-3/4 Inch 57# J55 Production Casing
Note: 12.75in=323.85mm within range. Seamless J55 production casing for hydrocarbon flow after drilling, OD 323.9mm, wall 11.65mm.
14-3/4 Inch 68# K55 Intermediate Casing
Seamless K55 intermediate casing, OD 374.7 mm, wall 11.8 mm, stabilizes middle well sections in gas drilling.
339.7 mm 10.92 mm WT J55 Casing
Metric spec seamless J55 casing, precise 339.7x10.92 mm, standard for land rigs.