11-3/4 inch 60 lb/ft Super Duplex Stainless Casing from Mexico
Super duplex stainless steel (e.g., SAF 2507) seamless casing pipe with 11-3/4 inch (298.5 mm) OD and 13.8 mm wall thickness for offshore oil production in severe corrosion zones. HTS 7304.24.4040 covers this heavy-wall stainless steel drilling casing in the specified size range. Exceptional pitting and stress corrosion resistance.
Duty Rate — Mexico → 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
• Submit detailed alloy composition certificates specifying duplex grades; ensure proper marking requirements for stainless traceability; beware of transshipment documentation issues from alloy specialty mills