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.
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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 used as surface or intermediate casing
Larger diameter tubing for well structural support classified as 'casing' rather than production 'tubing'.
If seamless construction
Seamless tubes shift to Chapter 73 heading 7304 for seamless steel tubes, pipes.
If not specifically for oil/gas drilling
General welded steel tubes for other applications fall under 7306.40, excluding oilfield-specific use.
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Import Tips & Compliance
• Obtain API 5CT Monogram License and mill test certificates (MTC) as mandatory for customs entry and end-user verification
• Declare exact grade (e.g
• N80) and dimensions on commercial invoice to avoid reclassification to 7306.29.10 for casing
Related Products under HTS 7306.29.81
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.
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.
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.