Incoloy 800H Cold-Rolled Seamless Tube from China
Cold-rolled seamless tubing of Incoloy 800H (30-35% nickel), solution-annealed for elevated-temperature strength in petrochemical heaters. Thin-wall construction for heat transfer. HTS 7304.41.60.05 covers its high-nickel alloy seamless cold-formed design.
Duty Rate — China → United States
57.5%
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
9903.88.157.5%Except as provided in headings 9903.88.39, 9903.88.42, 9903.88.44, 9903.88.47, 9903.88.49, 9903.88.51, 9903.88.53, 9903.88.55, 9903.88.57, 9903.88.65, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(r) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(s)
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
• Include heat treatment records showing solution annealing post cold-rolling for proper subheading
• Prevent misclassification as pressure tubing under 7304.51 by specifying non-boiler end use
• Use precise alloy grade naming in invoices to avoid general stainless duty rates