"2-7/8\" 7.90 from Mexico
Martensitic stainless alloy seamless tubing 2-7/8" OD, 7.90 lb/ft for CO2 corrosion resistance in production tubing. Wall thickness 7.44 mm suits horizontal completions. Although stainless, classified as 'other alloy' drilling tubing under 7304.29.61.15.
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
• Distinguish from austenitic SS which uses 7304.29.31; martensitic often 'other alloy'
• Provide pitting resistance equivalent number (PREN) calculations
• Threading tolerance docs prevent fitting classification