7306.21.80.10/API 5ST Stainless Steel OCTG Tubing with Coupling/Canada

API 5ST Stainless Steel OCTG Tubing with Coupling from Canada

Welded stainless steel tubing designed for oil and gas drilling operations, featuring a threaded coupling for secure connection to casing strings. Classified under HTS 7306.21.80.10 due to its welded construction, stainless steel material, and importation with integral coupling as specified for OCTG tubing. Meets API 5ST standards for sour service environments in downhole applications.

Duty Rate — Canada → United States

10%

Rate breakdown

9903.03.0110%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

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Import Tips

• Verify API 5ST or 5CT certification documentation to confirm OCTG suitability and avoid reclassification as general pipe

• Include mill test certificates (MTC) showing stainless steel chemistry and welding process to meet 'welded of stainless steel' criteria

• Declare couplings explicitly in entry docs; mismatched or separate import can trigger audits or duty adjustments