Alloy Steel Large Chimney Flue Pipe from Mexico
Welded alloy steel flue pipe sections exceeding 406.4 mm OD for industrial incinerator chimneys. Under 7305.39.50.00 for welded circular large-diameter alloy pipes.
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
• High-temperature alloy certs (e.g
• 9Cr-1Mo) required
• Thermal expansion specs in documentation
• Distinguish from boiler tubes via end-use statements