Alumina Lining Brick for Steel Ladles from Japan
High-purity alumina bricks (>70% Al2O3) fired for use in lining steel melting ladles, resisting molten steel erosion at 1600°C+. Essential constructional refractory for metallurgical furnaces. HTS 6902.20.50.10 applies for alumina-dominant refractory bricks/blocks.
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
• Submit mill test certificates detailing Al2O3 percentage and refractoriness-under-load specs for CBP verification
• Differentiate from parts of machinery (84/85 chapters) by emphasizing standalone constructional use
• Beware anti-dumping duties on certain Chinese alumina refractories; check Commerce Dept. scopes