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High-Alumina Ceramic Nozzle for Continuous Casting from Japan

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 — Japan → United States

12.5%

Rate breakdown

9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%

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