Having a wall thickness less than 12.7 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: > Casing: > Other > Having an outside diameter exceeding 285.8 mm but not exceeding 406.4 mm: > Having a wall thickness less than 12.7 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 7304.24.40.50
9-5/8 inch Stainless Steel Oil Well Casing
Seamless stainless steel casing pipe with 9.625 inch outside diameter and wall thickness of 10 mm, designed for oil and gas drilling to line and stabilize wellbores. Classified under HTS 7304.24.4050 due to its seamless construction, stainless steel material, casing use in drilling, OD between 285.8-406.4 mm, and wall thickness under 12.7 mm.
10-3/4 inch L-80 Stainless Casing
Seamless Type 304 stainless steel L-80 grade casing with 10.75 inch OD and 11.5 mm wall thickness for high-pressure oil/gas wells. Falls under HTS 7304.24.4050 as drill casing of stainless steel with specified OD range and thin wall under 12.7 mm.
13-3/8 inch 13Cr Stainless Casing
Seamless 13% chromium stainless steel casing pipe, 13.375 inch OD, 10.92 mm wall thickness, corrosion-resistant for sour gas wells. HTS 7304.24.4050 applies to its seamless stainless steel construction for oil/gas drilling within the specified size parameters.
11-3/4 inch Duplex Stainless Casing
Seamless duplex 2205 stainless steel oil well casing, 11.75 inch OD, 9.8 mm wall, high strength for deepwater applications. Meets HTS 7304.24.4050 criteria for stainless steel seamless drill casing with OD 285.8-406.4 mm and thin walls.
12-1/4 inch Super Duplex Casing
Seamless super duplex 2507 stainless casing with 12.25 inch OD and 11.2 mm wall thickness for extreme corrosion environments in oil/gas drilling. Classified in HTS 7304.24.4050 for stainless steel seamless casing within size limits.
14 inch 316L Stainless Casing
Seamless 316L stainless steel casing pipe, 14 inch OD, 10.5 mm wall thickness, for corrosive offshore oil well applications. HTS 7304.24.4050 covers this stainless steel drill casing size and specification.
15-1/2 inch Stainless Drill Casing
Seamless stainless steel drill casing 15.5 inch OD, 11.9 mm wall thickness for large diameter oil/gas wells. Perfect fit for HTS 7304.24.4050 as stainless seamless casing under 16 inch OD limit.