Sour Gas Service Carbon Steel Line Pipe from Mexico
Nonalloy steel welded pipe certified for sour gas (H2S) service in natural gas pipelines. HTS 7306.19.10 covers this as iron/nonalloy line pipe for gas transport. Includes normalized heat treatment for toughness.
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
• Certify compliance with NACE standards via material safety data sheets
• Declare precise carbon equivalent (CE) value to confirm nonalloy classification
• Separate coated vs uncoated pipes in entries, as coatings may trigger different AD/CVD