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: > Threaded or coupled > Having an outside diameter less than 215.9 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 7304.24.30.10
API 5CT L80 Stainless Steel Oil Well Casing
Seamless stainless steel casing pipe meeting API 5CT L80 specifications, with threaded ends and coupled connections, outside diameter of 4.5 inches (114.3 mm), and wall thickness of 8 mm. Designed for oil and gas drilling to line the borehole and protect well integrity. Falls under HTS 7304.24.30.10 due to its seamless construction, stainless steel material, threaded/coupled casing form, OD <215.9 mm, and wall thickness <12.7 mm.
4-1/2 Inch N80 Type 304 Stainless Casing
Seamless Type 304 stainless steel casing pipe per API 5CT N80 grade, 4-1/2 inch OD (114.3 mm), 9.19 lb/ft weight with 8.56 mm wall thickness, featuring BTC (Buttress Threaded and Coupled) connections. Used to stabilize wellbore during oil and gas extraction. Classified under 7304.24.30.10 for stainless steel seamless casing with OD <215.9 mm and thin walls.
2-7/8 Inch L80 Type 316L Stainless Casing
Corrosion-resistant Type 316L stainless steel seamless casing, 2-7/8 inch OD (73 mm), 6.45 mm wall thickness, threaded and coupled with STC (Short Threaded and Coupled) ends per API specs. Used in sour gas wells. HTS 7304.24.30.10 applies to its stainless seamless casing characteristics.
5 Inch J55 Stainless Steel Coupled Casing
API 5CT J55 grade seamless stainless steel casing pipe, 5 inch OD (127 mm), 10.54 lb/ft with 9 mm wall, featuring LTC (Long Threaded and Coupled) connections. Supports shallow oil wells. Fits 7304.24.30.10 for small-diameter thin-wall stainless casing.
3-1/2 Inch P110 Stainless Steel Threaded Casing
High-pressure P110 grade seamless stainless steel casing, 3-1/2 inch OD (88.9 mm), wall thickness 7.72 mm, with premium EUE (External Upset End) threaded couplings. Applied in deep oil/gas wells for structural support. Meets HTS 7304.24.30.10 criteria: stainless, seamless, casing use, small OD, thin wall.