Superheater Header Manifold from Japan
Forged steel manifold distributing superheated steam through parallel circuits in boiler superheaters, equalizing flow and pressure. HTS 8404.90.00.00 as auxiliary plant parts for boilers. High-pressure design for power generation.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• NDT reports (RT/UT) essential for forged components; missing docs cause redelivery
• Declare internal diameter and wall thickness precisely
• Preferential tariff eligibility requires specific alloy content verification