</>Build with Tariff Intelligence|Programmatic access to tariff calculations and HS code classification.Explore Developer Resources →

Tungsten Alloy Furnace Slag from Mexico

Furnace slag from producing tungsten-heavy alloys for aerospace, mainly tungsten. Classified HTS 2620.99.20.00 as industrial residue for metal/compound basis. Chapter notes confirmed for non-steel origins.

Duty Rate — Mexico → United States

13.8%

Rate breakdown

9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico

Import Tips

Furnace process logs essential to prove non-iron manufacture

Assay reports without deductions for accurate duty assessment