Other
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: > Casing: > Of other alloy steel: > Other
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
Subheadings
Products classified under HTS 7304.29.41
API 5CT L80 Type 9 Casing Pipe
Seamless alloy steel casing pipe meeting API 5CT L80 Type 9 specifications, used to line oil and gas wells during drilling operations. It features enhanced collapse resistance and tensile strength suitable for corrosive environments. Classified under 7304.29.41 as other seamless alloy steel casing for oil/gas drilling, not high-strength types.
"13-3/8\" 72
Heavy wall seamless P110 alloy steel casing with 13-3/8 inch OD and 72 lb/ft weight, designed for deep high-pressure oil wells. Provides structural support and pressure containment during drilling and production. Falls under 7304.29.41 as other alloy steel casing excluding premium grades.
"9-5/8\" 43.5
Seamless L80 alloy steel production casing, 9-5/8 inch diameter weighing 43.5 lb/ft, for intermediate hole sections in directional drilling. Offers sour service resistance (H2S environments) per NACE MR0175. Classified in 7304.29.41 as other seamless alloy casing for drilling applications.
"7\" 32
Type T95 seamless alloy casing, 7-inch OD at 32 lb/ft, engineered for thermal recovery wells with high-temperature resistance. Used as liner in steam injection projects. HTS 7304.29.41 covers this as other alloy steel seamless casing for oil/gas drilling.
"4-1/2\" 12.6
C95 grade seamless alloy liner casing, 4-1/2 inch x 12.6 lb/ft, for production tubing in unconventional shale plays. Provides zonal isolation in multi-stage frac completions. Fits 7304.29.41 as other seamless alloy steel casing used in drilling operations.