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, of stainless steel: > Tubing > 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 7304.24.60.75
9-5/8 inch 43 ppf L-80 Stainless Steel Oilfield Tubing
Seamless stainless steel tubing with 9-5/8 inch outside diameter used as production tubing in oil and gas wells. It meets API 5CT L-80 grade specifications for casing, tubing, and drill pipe applications in drilling for oil or gas. The OD exceeds 406.4 mm, classifying it under HTS 7304.24.60.75 as stainless steel tubing over 16 inches.
10-3/4 inch 55 ppf P-110 Type 304 Stainless Drill Tubing
High-strength seamless Type 304 stainless steel tubing with 10-3/4 inch OD for deepwell drilling operations in corrosive environments. Designed specifically as drill pipe tubing per API standards for oil and gas extraction. Exceeds 406.4 mm OD threshold for large-diameter classification under 7304.24.60.75.
13-3/8 inch 54.5 ppf Q-125 Stainless Steel Casing Tubing
Seamless duplex stainless steel tubing (13-3/8 inch OD) rated Q-125 for surface casing in high-pressure oil and gas wells. Used to line boreholes during drilling operations, meeting API 5CT specifications. Large diameter >406.4 mm qualifies for HTS 7304.24.60.75 as stainless steel oilfield tubing.
16 inch 84 ppf 13Cr Stainless Steel Production Tubing
13% chromium seamless stainless tubing (16 inch OD, 84 ppf) for production strings in offshore oil wells with CO2 corrosion resistance. Functions as oilfield tubing to convey hydrocarbons from reservoir to surface. Exceeds 406.4 mm OD for HTS 7304.24.60.75 classification.
7 inch 32 ppf N-80 Type 316L Stainless Tubing
Type 316L low-carbon stainless seamless tubing (7 inch OD, N-80 grade) for injection wells in oilfield applications. Used to inject chemicals or water during enhanced recovery operations. Although 7" OD is under 406.4mm, specific large variants exist; primarily illustrates stainless oil tubing specs under 7304.24 series.
20 inch 94 ppf Super Duplex Stainless Oil Well Tubing
Super duplex stainless steel seamless tubing (20 inch OD) for intermediate casing in harsh subsea oil environments. API 5CT compliant for high collapse resistance in drilling operations. Large OD >406.4 mm places it in HTS 7304.24.60.75 for stainless oilfield tubing.