7 Inch OD N80Q Tubing for Sour Gas from Mexico
Seamless N80Q non-alloy steel tubing, 177.8 mm OD, API 5CT Quenched & Tempered for H2S sour gas environments. Used in completion strings for offshore wells. Fits HTS 7304.29.50.45 criteria: seamless, non-alloy, drilling tubing size.
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
• Include NACE MR0175 compliance for sour service materials
• Measure wall thickness precisely as it affects pressure ratings
• Use protective coatings declaration if applicable