Superheater Header Manifold from China
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 — China → United States
41%
Rate breakdown
9903.05.3112.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of China, as provided for in U.S. note 52 to this subchapter
9903.88.0125%Except as provided in headings 9903.88.05, 9903.88.06, 9903.88.07, 9903.88.08, 9903.88.10, 9903.88.11, 9903.88.14, 9903.88.19, 9903.88.50, 9903.88.52, 9903.88.58, 9903.88.60, 9903.88.62, 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(a) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(b) [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