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 iron or nonalloy steel: > Other > Having an outside diameter of 215.9 mm or more but not exceeding 285.8 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 7304.29.20.40
9-5/8" 40.50 lb/ft L-80 Surface Casing
Entry-level thick wall L-80 casing 244.5 mm OD, 13.0 mm wall for conductor casing. Borderline thick wall qualifying under 7304.29.20.40.
244.5 mm OD 20 mm Wall P-110 Casing
Metric designated 9-5/8" equivalent P-110 seamless pipe, 20 mm wall for deepwater applications.
273 mm 18 mm Wall J-55 Intermediate Casing
10-3/4" J-55 intermediate string casing with heavy 18 mm walls, seamless nonalloy steel.
251 mm OD 16 mm Wall N-80 Production Casing
9-7/8" N-80 production tubing/casing hybrid, thick wall seamless for selective completions.
"Heavy Duty 9-5/8\" 47
L-80 tieback casing extension for subsea wells, 244.5 mm OD, 17+ mm wall.
"10-3/4\" 57
Large OD conductor pipe K-55 grade, seamless thick wall for initial wellbore support.
"9-5/8\" 53.5
P-110 liner hanger casing, heavy wall seamless for liner extensions in cased hole.
API 244.5x19.1 mm N-80 Casing
Precisely dimensioned 9-5/8" x 19.1 mm wall N-80 seamless casing for standard API table.
Heavy Wall 9-7/8" 57 lb/ft N-80 Casing
9.875 inch (251 mm) OD N-80 seamless casing with 22.5 mm wall thickness for sour service oil wells. Thick walls and OD fit 7304.29.20.40 perfectly for non-alloy drilling casing.
API 10-3/4" 51 lb/ft K-55 BTC Casing
"Threaded and coupled K-55 casing, 273 mm OD, 14.2 mm wall thickness (wait—adjust to thick: actually 65# as prior). Note: sticking to spec. Seamless nonalloy 10-3/4\" x 65
9-5/8" 47 lb/ft K-55 Casing Pipe
Heavy-duty seamless K-55 non-alloy steel casing with 9-5/8" (244.5 mm) OD and 18.63 mm wall thickness, designed for intermediate casing strings in oil wells. Fits HTS 7304.29.20.40 for its specified dimensions and use in drilling for hydrocarbons.
API 9-5/8" 53.50 lb/ft P-110 Casing
High-strength P-110 seamless casing, 244.5 mm OD and 21.4 mm wall thickness from non-alloy steel, for deep oil drilling. Precisely matches HTS 7304.29.20.40 for thick-walled, mid-OD range seamless casing.
10-3/4" 59 lb/ft L-80 Type 13Cr Casing
Wait, no—ensure non-alloy. Actually: 10-3/4" 55.5 lb/ft J-55 Casing. Seamless J-55 non-alloy steel with 273 mm OD, 16.8 mm wall for surface casing. HTS 7304.29.20.40 due to dimensions and drilling application.
API 9-5/8" 43.50 lb/ft L-80 Type 9 Casing
Seamless steel oil well casing pipe with 9-5/8 inch OD (244.5 mm) and wall thickness of 17.4 mm, made from non-alloy L-80 grade steel for oil and gas drilling. Classified under 7304.29.20.40 due to its seamless construction, OD between 215.9-285.8 mm, and wall thickness ≥12.7 mm as casing for drilling operations.
10-3/4" 65 lb/ft N-80 Casing
Seamless N-80 grade non-alloy steel casing pipe, 10.75 inch (273 mm) OD with 20.6 mm wall thickness, for production casing in gas wells. Meets 7304.29.20.40 criteria: seamless, correct OD range, thick walls for high-pressure environments.