Duty Rate (from China)
Subheadings
Products classified under Tariff item 7304.2
127 mm OD Stainless Steel Oilfield Drill Pipe
Heavy-duty seamless stainless steel drill pipe measuring 127 mm outside diameter with 8.5 mm wall thickness, engineered for high-pressure oil drilling. The stainless steel composition provides corrosion resistance and strength for demanding applications.
7304.22.0013Cr Stainless Steel Drill Pipe 4-1/2 Inch OD
Seamless 13% chromium (13Cr) stainless steel drill pipe, 4-1/2 inches in outer diameter, designed for corrosive environments such as sour gas wells. Equipped with premium connections for high-pressure drilling, it provides superior corrosion resistance and mechanical strength.
7304.22.003.5-inch API Spec 5DP Stainless Drill Tubing
Seamless stainless steel drill tubing with 88.9 mm outer diameter and 7.3 mm wall thickness, compliant with API 5DP standards for oilfield drilling. This drill pipe is designed for use in drilling operations where corrosion resistance and strength are critical.
7304.22.004.5-inch Stainless Steel Drill Pipe for Oil Rigs
Seamless stainless steel drill pipe with an outside diameter of 114.3 mm and wall thickness of 8 mm, designed specifically for oil and gas drilling operations. Its seamless construction and stainless steel composition provide durability and corrosion resistance in harsh environments.
7304.22.004-inch Sour Service Stainless Steel Drill Pipe
Specialized 4-inch (101.6 mm OD) seamless stainless steel drill pipe with 8.2 mm wall thickness, rated for sour service in H2S environments during oil and gas drilling. The stainless steel construction provides corrosion resistance and mechanical strength for demanding applications.
7304.22.005-inch Premium Stainless Drill Pipe for Gas Wells
Seamless 5-inch (127 mm) stainless steel drill pipe with 7.8 mm wall thickness, premium grade for natural gas well drilling. This drill pipe offers high strength and corrosion resistance, making it suitable for demanding drilling environments.
7304.22.00API 5DP Heavy Weight Drill Pipe 5 Inch Stainless Steel
Heavy weight drill pipe made from seamless stainless steel tubing, 5 inches in outer diameter, conforming to API 5DP specifications for oil and gas drilling. It features thick-walled construction and tool joints for connecting to drilling equipment, offering enhanced durability in demanding operations.
7304.22.00Austenitic Stainless Steel Drill Pipe 7 Inch Extended Reach
Austenitic stainless steel drill pipe (e.g., 316L), 7 inches in outer diameter, designed for extended reach horizontal drilling in shale oil plays. Seamless construction with low cycle fatigue design ensures reliability in high-stress drilling applications.
7304.22.00Duplex Stainless Steel Drill Pipe 6-5/8 Inch for Deepwater Drilling
Duplex stainless steel (e.g., 2205 grade) seamless drill pipe, 6-5/8 inches in outer diameter, engineered for deepwater oil exploration with a high strength-to-weight ratio. Features high collapse resistance and fatigue strength for extended service in harsh offshore environments.
7304.22.00Martensitic Stainless Drill Pipe 3-1/2 Inch Slim Hole
Martensitic stainless steel (e.g., 410/420 grade) drill pipe, 3-1/2 inches in outer diameter, for slim hole drilling in oil exploration. Seamless with high hardness for abrasive formations, providing wear resistance and strength in demanding downhole conditions.
7304.22.00Ph13-8Mo Stainless Precipitation Hardening Drill Pipe 5 Inch
PH13-8Mo precipitation hardening stainless steel drill pipe, 5 inches in diameter, for high-strength deep drilling. Seamless and heat-treatable, this alloy offers exceptional strength and corrosion resistance for extreme downhole conditions.
7304.22.00Stainless Steel Coiled Drill Pipe 2 Inch Continuous
Continuous coiled stainless steel drill pipe, 2 inches in outer diameter, for underbalanced drilling operations. Seamless and reelable, this pipe allows for continuous drilling without connections, improving efficiency in certain applications.
7304.22.00Stainless Steel Friction Weld Drill Pipe 4 Inch Sour Service
4-inch outer diameter stainless steel drill pipe with friction-welded tool joints, designed for sour service (H2S) environments in natural gas drilling. The seamless body provides corrosion resistance and strength for directional drilling applications.
7304.22.00Super Duplex Drill Pipe 5-7/8 Inch High Pressure
Super duplex stainless steel drill pipe (e.g., SAF 2507), 5-7/8 inches in outer diameter, for ultra-high pressure and H2S-resistant drilling in harsh oilfields. Seamless construction with integral upset ends enhances joint integrity and fatigue resistance.
7304.23.003-1/2 Inch 13.30 lb/ft G-105 Range 2 Drill Pipe
> A 3-1/2 inch, 13.30 lb/ft, G-105 grade seamless drill pipe made of nonalloy steel, designed for slimhole directional drilling in gas wells. It is equipped with an internal plastic coating for corrosion protection and falls under tariff item 7304.23.00 as other drill pipe of iron or nonalloy steel.
7304.23.003-1/2 Inch 15.50 lb/ft X95 NC50 Connection Drill Pipe
> A 3-1/2 inch, 15.50 lb/ft, X95 grade seamless drill pipe made of nonalloy steel, equipped with NC50 tool joint connections and spiral hardbanding for high-torque slimhole applications in shale gas drilling. It is classified under tariff item 7304.23.00 as other drill pipe of iron or nonalloy steel.
7304.23.004-1/2 Inch 16.60 lb/ft P110 HWDP
> A 4-1/2 inch, 16.60 lb/ft, P110 grade heavy weight drill pipe (HWDP) made of seamless nonalloy steel, used for stabilizing the bottom-hole assembly in directional drilling. It features a thicker center upset and is classified under tariff item 7304.23.00 as other drill pipe of iron or nonalloy steel.
7304.23.004-1/2 Inch 16.60 lb/ft X-95 Drill Pipe
> A 4-1/2 inch, 16.60 lb/ft, X-95 grade seamless drill pipe made of nonalloy steel, designed for high-strength sour service environments in oil drilling. It features friction weld upset ends for tool joint connections and is classified under tariff item 7304.23.00 as other drill pipe.
7304.23.004 Inch 14.00 lb/ft E75 Sour Service Drill Pipe
> An E75 grade seamless drill pipe optimized for H2S sour service environments in natural gas drilling, with a 4-inch OD and 14 lb/ft weight, made of nonalloy steel. It meets NACE MR0175 standards for sulfide stress cracking resistance and is classified under tariff item 7304.23.00.
7304.23.005-1/2 Inch 21.90 lb/ft S135 High Torque Drill Pipe
> A 5-1/2 inch, 21.90 lb/ft, S135 grade high torque seamless drill pipe made of nonalloy steel, designed for challenging extended-reach oil wells. It features double shoulder premium connections and is classified under tariff item 7304.23.00 as other drill pipe.
7304.23.005 Inch 19.50 lb/ft S-135 Premium Class Drill Pipe
> A premium class seamless drill pipe in S-135 grade nonalloy steel, with a 5-inch OD and 19.50 lb/ft weight, suitable for deepwater oil exploration with enhanced fatigue resistance. It features hardbanding on tool joint ends and is classified under tariff item 7304.23.00.
7304.23.006-5/8 Inch 24.00 lb/ft P110 Drill Pipe
> A heavy-duty P110 grade seamless nonalloy steel drill pipe with a 6-5/8 inch OD and 24 lb/ft weight, designed for extended reach horizontal oil drilling. It includes phosphate coating for rust prevention during storage and is classified under tariff item 7304.23.00.
7304.23.006-5/8 Inch 27.70 lb/ft V150 Drill Pipe
> A V150 ultra-high strength seamless nonalloy steel drill pipe with a 6-5/8 inch OD and 27.70 lb/ft weight, designed for ultra-deep HPHT wells. It meets API 5DP premium class specifications and is classified under tariff item 7304.23.00.
7304.23.00API 5DP Grade E75 Heavy Weight Drill Pipe
> A heavy weight drill pipe made from nonalloy steel with seamless construction, used in oil and gas drilling operations to transmit rotary motion and drilling fluid. It features thick-walled sections for enhanced strength and is classified under tariff item 7304.23.00 as other drill pipe.
7304.24.0010-3/4 Inch 51.2 lb/ft Q125 Stainless Casing
Seamless stainless steel casing pipe, 10-3/4 inch, Q125 grade, with integral EUE threads, designed for high-pressure/high-temperature geothermal and ultra-deep drilling. Its seamless stainless steel construction and oilfield casing use classify it under tariff item 7304.24.00.
7304.24.0013-3/8 Inch 54.5 lb/ft 13Cr Stainless Casing
Seamless stainless steel casing, 13-3/8 inch, 13Cr grade, with BTC threaded couplings, for sour gas service with H2S environments. Its stainless steel composition and seamless construction for oil/gas drilling place it under tariff item 7304.24.00.
7304.24.0016 Inch 94 lb/ft Conductor Casing Stainless
Heavy wall 16-inch stainless steel conductor casing with welded couplings, seamless, for offshore platform installation as structural drive pipe. Its stainless steel seamless construction for oil/gas drilling classifies under tariff item 7304.24.00.
7304.24.002-7/8 Inch L80 Type 316L Stainless Casing
Corrosion-resistant Type 316L stainless steel seamless casing, 2-7/8 inch OD, 6.45 mm wall, threaded and coupled with STC ends per API specs, for sour gas wells. Its stainless steel seamless construction for oil/gas drilling classifies under tariff item 7304.24.00.
7304.24.003-1/2 Inch P110 Stainless Steel Threaded Casing
High-pressure P110 grade seamless stainless steel casing, 3-1/2 inch OD, 7.72 mm wall, with premium EUE threaded couplings, for deep oil/gas wells. Its stainless steel seamless construction places it under tariff item 7304.24.00.
7304.24.004-1/2 Inch 12.6 lb/ft N80-1 Stainless Casing
Seamless stainless steel liner casing, 4-1/2 inch, N80-1 grade, threaded and coupled for intermediate hole sections in horizontal drilling. Its stainless steel seamless construction for oil/gas wells places it under tariff item 7304.24.00.
7304.24.004-1/2 Inch 13.5ppf L80-9CR Stainless Steel Casing Tube
Seamless 9CR stainless steel casing for intermediate drilling sections, 4-1/2 inch OD, wall thickness ≥12.7 mm, threaded and coupled for well integrity. Its stainless steel seamless construction for oil/gas drilling places it under tariff item 7304.24.00.
7304.24.004-1/2 Inch N80 Type 304 Stainless Casing
Seamless Type 304 stainless steel casing pipe per API 5CT N80 grade, 4-1/2 inch OD, 9.19 lb/ft, with BTC connections, used to stabilize wellbores. Its stainless steel seamless construction for oil/gas drilling classifies under tariff item 7304.24.00.
7304.24.005-1/2 Inch 20 lb/ft 22Cr Duplex Casing
Duplex 22Cr (2205) stainless steel casing, 5-1/2 inch, with VAM LeTourneau couplings, for subsea production with superior pitting and crevice corrosion resistance. Its stainless steel seamless construction for oil/gas drilling classifies under tariff item 7304.24.00.
7304.24.005-1/2 Inch 20ppf Q125 Stainless Steel Coupled Casing
High-strength Q125 grade seamless stainless casing pipe, 5-1/2 inch OD, 20 ppf, wall over 12.7 mm, with premium threaded couplings for deepwater drilling. Its stainless steel seamless construction classifies under tariff item 7304.24.00.
7304.24.005 Inch J55 Stainless Steel Coupled Casing
API 5CT J55 grade seamless stainless steel casing pipe, 5 inch OD, 10.54 lb/ft, with LTC connections, for shallow oil wells. Its stainless steel seamless construction for oil/gas drilling places it under tariff item 7304.24.00.
7304.24.007 Inch 32 lb/ft P-110 Stainless Steel Threaded Casing
High-pressure P-110 grade stainless steel casing, 7-inch diameter, with integral threaded couplings for deepwater oil wells in corrosive environments. Its seamless stainless steel construction for oil/gas drilling places it under tariff item 7304.24.00.
7304.24.008-5/8 Inch 36 lb/ft Super 13Cr Casing
Super 13Cr-110 stainless casing for CO2 injection wells, 8-5/8 inch OD, with gas-tight premium threads for intermediate casing strings. Its stainless steel seamless construction for oil/gas drilling classifies under tariff item 7304.24.00.
7304.24.009-5/8 Inch 43 lb/ft L-80 Stainless Steel Casing
Seamless stainless steel casing pipe, 9-5/8 inch OD, 43 lb/ft, L-80 grade, with threaded couplings for oil and gas drilling operations. Its stainless steel seamless construction places it under tariff item 7304.24.00.
7304.24.00API 5CT L80 Stainless Steel Oil Well Casing
Seamless stainless steel casing pipe meeting API 5CT L80 specifications, 4.5 inches OD, 8 mm wall, with threaded ends and coupled connections, for oil and gas drilling. Its stainless steel seamless construction classifies under tariff item 7304.24.00.
7304.29.0013-3/8 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.