7304.29.10.20/5-1/2 inch K-55 Heavy Wall Casing/Canada

5-1/2 inch K-55 Heavy Wall Casing from Canada

Threaded and coupled K-55 seamless casing, 139.7 mm OD, 14.0 mm wall thickness, nonalloy steel for corrosive oilfield environments. Fits HTS 7304.29.10.20 precisely as seamless drilling casing of iron/nonalloy steel, OD <215.9 mm, wall ≥12.7 mm. Provides collapse resistance in conductor casing strings.

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

• Ensure couplings are API-interchangeable; include thread inspection reports

• Differentiate from tubing via wall thickness docs

• Common issue: undervaluation due to scrap steel mislabeling