Incoloy 800H Cold-Drawn Superheater Tube from Japan

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 — Japan → United States

10%

Rate breakdown

9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter

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