13-3/8 inch 48 lb/ft 13Cr Casing from Mexico
Corrosion-resistant 13Cr (13% chromium) L80 alloy steel seamless casing, 13-3/8 inch OD, 48 lb/ft, 13.0 mm wall thickness, BTC threaded coupled. HTS 7304.29.31.60 applies to this heavy-wall seamless other alloy steel drill casing in specified OD range. Used in CO2 and H2S-prone formations.
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
• Document chromium content (>10.5%) via PMI testing to confirm 'other alloy steel' vs stainless classification
• Use protective coatings during ocean transport to prevent thread damage claims at customs