7304.24.30.10/API 5CT L80 Stainless Steel Oil Well Casing/Canada

API 5CT L80 Stainless Steel Oil Well Casing from Canada

Seamless stainless steel casing pipe meeting API 5CT L80 specifications, with threaded ends and coupled connections, outside diameter of 4.5 inches (114.3 mm), and wall thickness of 8 mm. Designed for oil and gas drilling to line the borehole and protect well integrity. Falls under HTS 7304.24.30.10 due to its seamless construction, stainless steel material, threaded/coupled casing form, OD <215.9 mm, and wall thickness <12.7 mm.

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

• Obtain API 5CT certification documentation to verify specifications and ensure compliance with drilling standards

• Provide mill test certificates confirming seamless construction, stainless steel grade, exact OD/wall thickness measurements

• Avoid misclassification as drill pipe by confirming primary use as protective borehole lining rather than rotation in drilling