Other
Other articles of iron or steel. > Casing, tubing and drill pipe, of a kind used in drilling for oil or gas: > Casing, of an external diameter of 114.3mm or more but not exceeding 177.8mm: > Other
Duty Rate (from China)
Products classified under Tariff item 7304.29.00.1
13-3/8 Inch N80 Threaded Oil Well Casing
Seamless nonalloy steel casing pipe, 13-3/8 inches in diameter, externally threaded for coupling in oil and gas well drilling. This product is used to line boreholes and maintain well integrity during drilling operations.
7304.29.0016 Inch Production Casing Threaded
Seamless nonalloy steel production casing, 16 inches in diameter, with long threaded and coupled connections for completing oil wells. It secures perforations and facilitates the flow of hydrocarbons from the well.
7304.29.0020 Inch Conductor Casing Threaded Pipe
Large-diameter seamless nonalloy steel conductor casing with threaded ends, used to stabilize the initial hole during oil well drilling. It supports drilling through unconsolidated formations and prevents collapse.
7304.29.002-3/8 Inch H-40 Casing Pipe Threaded
Lightweight seamless nonalloy casing, 2-3/8 inches in diameter, with EUE threading for slimhole gas wells. It is designed for small-diameter, thin-wall applications in oil and gas drilling.
7304.29.003-1/2 Inch P-110 Casing with LTC Coupling
High-strength seamless casing, 3-1/2 inches in diameter, with long round thread couplings for deep oil drilling. It is made of nonalloy steel and designed for high-pressure applications.
7304.29.004-1/2 Inch Intermediate Casing Coupled
Seamless nonalloy steel intermediate casing, 4-1/2 inches in diameter, with flush threaded couplings for mid-depth oil well support. It prevents formation damage and maintains borehole stability during drilling.
7304.29.004-1/2 Inch N-80 Casing with BTC Threads
Seamless nonalloy steel casing pipe, 4-1/2 inches in diameter, with buttress thread couplings for oil well applications. It is designed for high-collapse resistance and reliable connections.
7304.29.004 Inch C-90 Threaded Drill Casing
Seamless nonalloy casing with 8-round threading, 4 inches in diameter, used in directional drilling for oil recovery. It is designed for small-diameter, thin-wall applications.
7304.29.005-1/2 Inch M-65 Coupled Casing
M-65 grade seamless steel casing with integral couplings, 5-1/2 inches in diameter, for production tubing in oil wells. It is designed for small-diameter, thin-wall applications.
7304.29.005 Inch K-55 Premium Threaded Casing
Seamless nonalloy steel casing pipe with premium VAM threads, 5 inches in diameter, for intermediate oil well sections. It is designed for high-performance connections in demanding drilling environments.
7304.29.007 Inch L80 Coupled Surface Casing
Seamless nonalloy steel surface casing, 7 inches in diameter, with premium threaded couplings, used in oil drilling to prevent collapse. It meets API standards for drilling tubing and ensures well integrity.
7304.29.007 Inch L-80 Type 1 Casing BTC
7-inch OD L-80 Type 1 seamless casing with BTC threads, 10.9 mm wall, nonalloy steel for conductor pipe in offshore drilling. It is designed for high-collapse resistance and reliable connections.
7304.29.009-5/8 Inch K55 Coupled Drill Casing
Seamless nonalloy steel casing, 9-5/8 inches in diameter, with integral couplings for oil well applications. It provides structural support during drilling for hydrocarbons and is threaded for coupling.
7304.29.00API 5CT J55 Threaded Casing Pipe
Seamless steel casing pipe made from J55 grade nonalloy steel, threaded on both ends for coupling in oil well drilling operations. It is used to line and stabilize boreholes during oil or gas extraction.
7304.29.00API 5CT L-80 Threaded Casing Pipe
Seamless threaded steel casing pipe made from L-80 grade nonalloy steel, with an outside diameter of 4.5 inches and wall thickness of 10 mm, designed for oil and gas well drilling. It is used to line and stabilize boreholes.