Having a wall thickness of 12.7 mm or more
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 other alloy steel: > Threaded or coupled > Having an outside diameter exceeding 285.8 mm but not exceeding 406.4 mm: > Having a wall thickness of 12.7 mm or more
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 7304.29.31.60
13-5/8 inch 61 lb/ft T95 Casing
Seamless T95 alloy steel casing pipe, 13-5/8 inch (346.1 mm) OD, 61 lb/ft weight, 14.2 mm wall thickness, premium threaded and coupled for sour gas service. Meets HTS 7304.29.31.60 specifications for oil/gas drilling casing of other alloy steel in the 285.8-406.4 mm OD range with heavy walls. Provides superior collapse resistance in HP/HT wells.
14-3/4 inch 58 lb/ft V150 Casing
Proprietary V150 high-strength seamless alloy casing, 14-3/4 inch OD (374.7 mm), 58 lb/ft, 14.8 mm wall, premium coupled threads. Classifies under HTS 7304.29.31.60 for thick-wall seamless alloy steel oil/gas casing 285.8-406.4 mm OD. For extreme extended reach drilling.
13-3/8 inch 54 lb/ft L-80 Type 13Cr Casing
Seamless alloy steel oil well casing pipe with 13-3/8 inch OD, 54 lb/ft weight, L-80 grade with 13% chromium content, threaded and coupled ends, and wall thickness of 15.5 mm. Classified under HTS 7304.29.31.60 due to its seamless construction from other alloy steel, OD between 285.8-406.4 mm, and thick walls over 12.7 mm for high-pressure drilling applications. Used primarily in corrosive oil and gas environments.
14 inch 68 lb/ft P110 Casing
Heavy-duty seamless P110 grade alloy steel casing for deep oil wells, 14-inch OD (355.6 mm), 68 lb/ft, coupled threaded connections, 17.8 mm wall thickness. Fits HTS 7304.29.31.60 as seamless 'other alloy steel' drill casing exceeding 285.8 mm OD up to 406.4 mm with walls 12.7 mm or thicker. Designed for high-yield strength in harsh drilling conditions.
16 inch 72.5 lb/ft Q125 Casing
Ultra-high strength Q125 grade seamless alloy steel casing, 16-inch OD (406.4 mm), 72.5 lb/ft, 16.7 mm wall, coupled and threaded for extreme drilling. Precisely matches HTS 7304.29.31.60 as other alloy steel seamless casing with OD not exceeding 406.4 mm and walls ≥12.7 mm. Ideal for ultra-deep, high-pressure oil reservoirs.
13-3/8 inch 48 lb/ft 13Cr Casing
Corrosion-resistant 13Cr (13% chromium) L80 alloy steel seamless casing, 13-3/8 inch OD, 48 lb/ft, 13.0 mm wall thickness, BTC threaded coupled. HTS 7304.29.31.60 applies to this heavy-wall seamless other alloy steel drill casing in specified OD range. Used in CO2 and H2S-prone formations.