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 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 7304.29.10.50
9-5/8 Inch 40# P110 Casing Threaded Coupled
High-strength P110 grade seamless casing, 9-5/8 inch OD, 40 lb/ft weight with 11.0 mm wall thickness, nonalloy steel, BTC threaded and coupled for deep oil well applications. Fits HTS 7304.29.10.50 as threaded/coupled casing in the specified OD range with thin wall.
13-3/8 Inch 48# J55 Surface Casing
J55 grade seamless surface casing, 13-3/8 inch OD (339.7 mm), 48 lb/ft nominal weight, 11.8 mm wall, premium threaded and coupled connections, nonalloy steel for conductor casing in oil drilling. Precisely matches HTS 7304.29.10.50 parameters.
11-3/4 Inch 42# N80 Casing Tubing
N80 seamless casing, 11-3/4 inch OD (298.5 mm), 42 lb/ft, 10.9 mm wall thickness, EUE threaded and coupled, nonalloy steel suitable for production casing in gas wells. Classified in HTS 7304.29.10.50 for thin-wall threaded oil/gas casing.
9-5/8 Inch 36# L80 Type 9Cr Casing
L80 Type 9Cr seamless casing pipe, 9-5/8" OD, 36 lb/ft, 9.8 mm wall, BTC connections, technically nonalloy per HTS definition for oil well intermediate strings. Fits 7304.29.10.50 despite Cr content under alloy thresholds.
12-1/4 Inch 40# API J55 Casing
Standard J55 grade seamless casing, 12-1/4 inch (311 mm) OD, 40 lb/ft weight, 10.2 mm wall thickness, threaded and coupled per API 5CT for shallow oil production wells. HTS 7304.29.10.50 applies to this exact specification.
14 Inch 54# K55 Intermediate Casing
K55 seamless intermediate casing, 14 inch (355.6 mm) OD, 54 lb/ft, 12.2 mm wall thickness (under limit), LTC threaded couplings, nonalloy steel for corrosive environment wells. Perfect match for HTS 7304.29.10.50 thin-wall category.
13-5/8 Inch 48# L80 Production Casing
L80 Type 1 seamless production casing, 13-5/8 inch OD (346.1 mm), 48 lb/ft, 11.2 mm wall, premium VAM TOP threaded connections with couplings, nonalloy steel. HTS 7304.29.10.50 for specified oil/gas casing specs.
10-3/4 x 10-3/4 51.5# P110 Casing
P110 grade flush joint casing, 10-3/4 inch OD both ends, 51.5 lb/ft, 12.0 mm wall thickness, integral threaded connections, nonalloy high-collapse steel for HP/HT wells. Classifies under HTS 7304.29.10.50 dimensions.
10-3/4 Inch 40.5# K55 Casing Pipe
Seamless K55 grade casing pipe, 10-3/4 inch (273 mm) OD, 40.5 lb/ft, 11.5 mm wall thickness, threaded ends with couplings, nonalloy steel for intermediate oil/gas casing strings. Meets HTS 7304.29.10.50 criteria for seamless drilling casing dimensions.
API 5CT L-80 Casing Pipe 9-5/8 Inch
Seamless L-80 grade casing pipe with 9-5/8 inch outside diameter, threaded and coupled ends, wall thickness of 10.5 mm, made from nonalloy steel for oil and gas well drilling. Classified under HTS 7304.29.10.50 due to its seamless construction, specific OD range (285.8-406.4 mm), and wall thickness less than 12.7 mm.