K55 Drill Tubing 3-1/2 inch from Canada
Seamless K55 non-alloy steel tubing with 3-1/2 inch (88.9 mm) OD and 7.34 mm wall, employed as drill tubing in oil/gas exploration wells. Fits HTS 7304.29.50.15 for seamless non-alloy casing/tubing with OD ≤114.3 mm and thin walls.
Duty Rate — Canada → United States
50%
Rate breakdown
9903.82.0250%Except as provided for in headings 9903.82.14, 9903.85.67 and 9903.85.68, articles of aluminum, of steel or of copper and derivative aluminum or steel articles, as provided for in subdivisions (c)(i)–(v) of U.S. note 16 to this subchapter
9903.05.900%Articles already subject to Section 232 (steel/aluminum/copper + derivatives, autos + parts, wood, medium/heavy vehicles + parts, semiconductors, patented pharma) — U.S. note 52(f)
Import Tips
• Include hydrostatic test reports as proof of pressure rating for drilling use
• Specify 'not for boiler/pressure vessel use' to avoid Chapter 73 note exclusions
• Use ISPM-15 compliant packaging for threaded ends to prevent damage claims