4-1/2" 9.5ppf Intermediate Tubing
4-1/2 inch 9.5 ppf steel tubing used in intermediate production strings of oil wells. Meets HTS 7306.29.81 criteria as welded 'other' tubing for oil and gas drilling applications.
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More Specific Codes
This product may fall under a more specific subheading:
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If larger diameter for conductor use
Conductor/primary casing strings use larger sizes classified separately.
If multiple-walled construction
Double-walled tubing for special applications shifts to 7306.30.
If as part of completion equipment sets
Sold with packers/expanders as well completion sets moves to Chapter 84.
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Import Tips & Compliance
• Provide collapse and burst test data specific to wall thickness for customs validation
• Label bundles with grade, size, and 'OILFIELD TUBING' markings per API RP 5C1
• Avoid declaring as casing (7306.29.10) - specify production tubing application
Related Products under HTS 7306.29.81
Q125 Ultra High Strength Tubing
Proprietary Q125 grade tubing (>125 ksi yield) for extended reach drilling in oil/gas wells. Falls under HTS 7306.29.81 as advanced 'other' steel tubing for specialized drilling applications.
API 5CT N80 Casing Tubing
Seamless steel tubing conforming to API 5CT N80 specifications, used as production tubing in oil and gas wells to convey hydrocarbons from the reservoir to the surface. It falls under HTS 7306.29.81 as 'other' casing and tubing for drilling oil or gas, distinct from casing due to its smaller diameter and use in the production string.
L80 Type 13Cr Oilfield Tubing
Welded 13-chrome L80 steel tubing resistant to corrosion in sour gas environments, deployed in oil and gas production tubing strings. Classified under HTS 7306.29.81 as 'other' tubing for drilling operations, meeting API 5CT standards for downhole service.
P110 High-Pressure Gas Well Tubing
High-yield strength P110 grade steel tubing for high-pressure gas wells, welded construction per API 5CT specifications. It qualifies under HTS 7306.29.81 as specialized 'other' tubing essential for oil and gas drilling and production operations.
J55 EUE Threaded Production Tubing
J55 grade steel tubing with External Upset Ends (EUE) threading for oil well production strings, designed for API 5CT compliance. Falls under HTS 7306.29.81 as 'other' tubing specifically for oil and gas drilling applications.
2-7/8" 6.5ppf Oil Tubing
2-7/8 inch OD, 6.5 pounds per foot steel tubing for oil production wells, welded per API standards. Classified in HTS 7306.29.81 as specialized 'other' casing and tubing for oil/gas drilling operations.