Incoloy 800H Cold-Drawn Superheater Tube from Mexico
Cold-drawn seamless Incoloy 800H tube (UNS N08811) for high-temperature superheaters in fossil fuel plants, solution-annealed for creep resistance. Though nickel alloy, classified as stainless steel per tariff definitions. 7304.41.60.15 for superheater application.
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
• Note alloy composition meets stainless criteria (>10.5% Cr); include chem analysis
• Specify solution annealing temperature (1140°C min) in material certs
• Avoid misclassification as Chapter 75 nickel products by emphasizing steel base