Having a wall thickness of 12.7 mm or more
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 of 12.7 mm or more
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 7304.24.40.60
API 5CT L-80 13-3/8 inch Stainless Steel Oil Well Casing
Seamless stainless steel casing pipe with 13-3/8 inch OD and 12.7 mm or thicker wall, certified to API 5CT L-80 grade for oil and gas drilling. Used to line and stabilize wellbores in corrosive environments. Falls under HTS 7304.24.40.60 due to seamless stainless steel construction, specific OD range (285.8-406.4 mm), and heavy wall thickness.
13CR Stainless Steel 14 inch OD Casing for Sour Gas Wells
Seamless 13Cr martensitic stainless steel casing with 14-inch (355.6 mm) OD and minimum 1/2 inch (12.7 mm) wall thickness for H2S-resistant sour service. Designed for high-pressure oil/gas production in corrosive formations. Classified under 7304.24.40.60 for stainless steel drill casing specs.
Duplex 2205 Stainless Steel 16 inch Production Casing
Seamless Duplex UNS S32205 (2205) stainless steel casing pipe, 16-inch (406.4 mm) OD with 19.05 mm wall thickness for deepwater production wells. Offers superior corrosion fatigue resistance. Meets HTS 7304.24.40.60 criteria for heavy-wall stainless drill casing.
Super Duplex 2507 13-3/8 inch Heavy Wall Casing
Seamless SAF 2507 super duplex stainless casing with 13-3/8 inch OD, 15 mm wall thickness for ultra-corrosive subsea environments. Provides exceptional pitting and crevice corrosion resistance. HTS 7304.24.40.60 applies to this heavy-wall stainless drill casing configuration.
Inconel 625 Alloy C-92 15 inch Oilfield Casing
Seamless Inconel 625 (Alloy C-92) premium casing with 15-inch (381 mm) OD and 14 mm wall thickness for extreme temperature/high-pressure wells. Nickel-chromium alloy provides unmatched corrosion resistance. Classified in 7304.24.40.60 as stainless steel drill casing.