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High-Alumina Ceramic Nozzle for Continuous Casting from China

Refractory nozzle made from alumina-silica mixture (>70% Al2O3) used in steel continuous casting to control molten metal flow. Fired ceramic construction withstands extreme temperatures, classified under HTS 6903.20.00.00 as other refractory ceramic goods.

Duty Rate — China → United States

37.5%

Rate breakdown

9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 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(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China

Import Tips

Include metallurgical test reports showing Al2O3/SiO2 composition and refractory properties

Declare specific industrial application to prevent reclassification as general machinery parts

Ensure packaging separates nozzles from assembly sets to avoid set classification issues