Having an outside diameter exceeding 406.4 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: > Tubing: > Of iron or nonalloy steel > Having an outside diameter exceeding 406.4 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 7304.29.50.75
API 5CT L80 Type 9 Casing Tubing 20 Inch OD
Seamless steel tubing made from nonalloy steel, with an outside diameter of 20 inches (508 mm), used as casing or tubing in oil and gas drilling operations to line boreholes and facilitate extraction. It meets API 5CT specifications for L80 grade Type 9, designed for high-pressure environments exceeding 406.4 mm OD criteria under HTS 7304.29.50.75.
Nonalloy Steel Oil Well Tubing 18.5 Inch OD
Heavy-duty seamless tubing of nonalloy steel with 18.5-inch (470 mm) outside diameter, engineered for oil well applications to transport fluids during drilling and production phases. Classified under HTS 7304.29.50.75 due to its seamless construction, iron/nonalloy steel material, and OD exceeding 406.4 mm for drilling oil/gas.
J55 Grade Seamless Casing Pipe 22 Inch OD
J55 grade seamless nonalloy steel casing pipe featuring a 22-inch (558.8 mm) outside diameter, used to stabilize wellbores in oil and gas drilling operations. Its classification in HTS 7304.29.50.75 stems from being seamless, nonalloy steel tubing exceeding 406.4 mm OD for drilling purposes.
N80 Type Q Nonalloy Drill Tubing 24 Inch OD
Seamless N80 Type Q nonalloy steel tubing with 24-inch (609.6 mm) OD, deployed in oil and gas wells for casing and production tubing to withstand corrosive environments. Falls under HTS 7304.29.50.75 as iron/nonalloy seamless tubing >406.4 mm OD used in drilling.
K55 Seamless Oilfield Casing 19 Inch OD
K55 grade seamless casing tubing of nonalloy steel, 19-inch (482.6 mm) outside diameter, essential for oilfield drilling to protect and support the wellbore during extraction. HTS 7304.29.50.75 applies due to seamless iron/nonalloy steel construction exceeding 406.4 mm OD.
P110 High-Yield Tubing 21 Inch OD
P110 grade high-yield seamless nonalloy steel tubing, 21-inch (533.4 mm) OD, for deep oil and gas wells requiring superior collapse resistance. Classified in HTS 7304.29.50.75 for its seamless nonalloy steel makeup and large OD in drilling applications.
API 5CT H40 Casing 16 Inch OD
H40 grade seamless casing per API 5CT standards, nonalloy steel with 16-inch (406.4 mm just exceeding) OD for shallow oil/gas drilling. HTS 7304.29.50.75 due to seamless tubing attributes for drilling >406.4 mm.