Tubing
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
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 7304.24.60
4-1/2 inch 11.6 lb/ft TP347H Stainless Tubing
Heat-resistant TP347H seamless stainless tubing for high-temperature geothermal drilling associated with oil/gas exploration. Stabilized against sensitization. Under 7304.24.60.
6-5/8 inch 28 lb/ft 2205 Duplex Stainless Tubing
UNS S32205 2205 duplex seamless tubing for liner applications in corrosive oil reservoirs. Balanced austenitic-ferritic structure. HTS 7304.24.60 classification.
7-5/8 inch 38.7 lb/ft SM25Cr Stainless Tubing
Proprietary SM25Cr seamless stainless for intermediate casing strings in H2S environments. Enhanced toughness properties. 7304.24.60.
2-3/8 inch 6.66 lb/ft 13-5-2 Stainless Control Line Tubing
Small-diameter seamless 13-5-2 stainless tubing encapsulated for chemical injection lines in smart completions for oil wells. Drilling adjunct use. 7304.24.60.
9-5/8 inch 53.5 lb/ft 28Mo Martensitic Stainless Tubing
High collapse resistance 28Mo martensitic seamless tubing for production casing in high-pressure gas wells. 7304.24.60.
5 inch 18.75 lb/ft Alloy 825 Stainless Tubing
Incoloy Alloy 825 seamless tubing for extreme sour service drilling in oil/gas. Nickel-iron-chromium composition qualifies as stainless. 7304.24.60.
3-1/2 inch 9.3 lb/ft 32760 Super Duplex Tubing
SANICRO 28/32760 super duplex seamless tubing for liner hangers in aggressive drilling fluids. Ultimate corrosion resistance. HTS 7304.24.60.
3-1/2 inch 10.2 lb/ft 316L Stainless Steel Tubing
Seamless 316L stainless steel tubing for injection lines in enhanced oil recovery (EOR) drilling operations, resistant to pitting from CO2 and H2S. Standard API dimensions for oilfield use. Classified under 7304.24.60.
16 inch 94 lb/ft 25Cr Super Duplex Casing Tubing
Heavy-duty seamless 25Cr super duplex stainless tubing for surface casing in deepwater drilling, handling extreme external pressures. High PREN value for seawater corrosion resistance. HTS 7304.24.60 applies.
13-3/8 inch 54.5 lb/ft L-80 Type 13CR Stainless Steel Casing Tubing
This is seamless stainless steel tubing designed specifically for oil and gas drilling operations, used as casing to line and stabilize wellbores during extraction. It meets API 5CT specifications for L-80 Type 13CR material, offering corrosion resistance in sour environments. Classified under 7304.24.60 as seamless stainless steel tubing for drilling.
4-1/2 inch 12.6 lb/ft 13Cr Stainless Steel Production Tubing
Seamless 13Cr stainless steel tubing used in the production zone of oil/gas wells to convey hydrocarbons to the surface. Its corrosion-resistant properties suit harsh downhole conditions. Falls under HTS 7304.24.60 as stainless steel tubing for drilling applications.
7 inch 32 lb/ft SM-SS-95 Stainless Steel Tubing
High-strength seamless stainless steel tubing (SM-SS-95 grade) for intermediate casing in deepwater oil/gas drilling, providing structural support against formation pressures. Certified to API standards for drilling operations. HTS 7304.24.60 covers this stainless steel drilling tubing.
9-5/8 inch 43.5 lb/ft 28% Cr Duplex Stainless Tubing
Seamless duplex stainless steel tubing with 28% chromium content for conductor casing in offshore oil/gas wells, resisting extreme corrosion and high pressures. Meets stringent API 5CT PSL-3 requirements. Classified in 7304.24.60 for stainless steel drilling tubing.
2-7/8 inch 8.7 lb/ft 22Cr Duplex Stainless Tubing
Lightweight seamless 22Cr duplex stainless tubing for tubing strings in slimhole gas wells, optimized for high tensile strength and sour service resistance. Used post-drilling for production flow. Under HTS 7304.24.60 as stainless steel oil/gas tubing.
5-1/2 inch 20 lb/ft Super 13-5-3 Stainless Tubing
Seamless super 13-5-3 (13Cr-5Ni-3Mo) stainless tubing for high-pressure/high-temperature (HPHT) oil wells, providing superior chloride stress corrosion cracking resistance. API 5CT compliant for drilling/production. HTS 7304.24.60 designation for stainless drilling tubing.