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 other alloy 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 7304.29.61.75
API 5CT L-80 Type 9 Alloy Steel Oilfield Tubing
Seamless tubing made from L-80 Type 9 alloy steel, with an outside diameter of 508 mm, designed specifically for oil and gas well casing and production. It meets API 5CT standards for high-strength applications in corrosive environments. Classified under 7304.29.61.75 due to its seamless construction, alloy steel composition, and OD exceeding 406.4 mm for drilling operations.
API 5CT P110 Alloy Steel Casing Tubing 16-inch OD
High-yield P110 grade alloy steel seamless tubing with 406.4 mm OD for deepwater oil well applications. Used as production tubing to withstand extreme pressures during extraction. Fits 7304.29.61.75 as seamless, other alloy steel tubing over 16 inches OD for oil/gas drilling.
13-3/8 inch Q125 Alloy Steel Drill Tubing
Seamless Q125 quaternary alloy steel tubing, 339.7 mm ID but 508 mm OD, for high-pressure sour gas wells. Engineered for drilling and completion in harsh environments. Under 7304.29.61.75 for its large OD, seamless alloy steel design for oil/gas operations.
20-inch OD T95 Alloy Steel Production Tubing
T95 grade seamless alloy steel tubing with 508 mm OD for liner applications in horizontal drilling. Provides zonal isolation in shale gas production. Classified in 7304.29.61.75 for large-diameter seamless alloy steel used in oil/gas drilling.
API 5CT C110 Alloy Steel Tubing 18-inch
C110 controlled yield strength alloy steel seamless tubing, 457.2 mm OD, for extended reach drilling. Resists sulfide stress cracking in H2S environments. Meets 7304.29.61.75 criteria as other alloy steel, seamless, large OD for gas drilling.
17-inch V150 Alloy Steel Casing for Deep Wells
V150 high-strength seamless alloy steel casing tubing with 431.8 mm OD for ultra-deep oil exploration. Features upset ends for tool joints. 7304.29.61.75 applies to its seamless alloy construction exceeding 406.4 mm OD for drilling.
22-inch OD Proprietary Alloy Drill Tubing
Custom 9Cr-1Mo-V alloy steel seamless tubing, 558.8 mm OD, for high-temperature geothermal drilling. Optimized for erosion resistance. Classified under 7304.29.61.75 for large seamless alloy steel in oil/gas applications.