TourAxiom/US Federal/Statutes/Hts/§ 7225.50.70.00HTS 7225.50.70.00∀4 rulesOfficial sourcegraph ↗build calculator ↗citeHeat-resisting steel Unit of quantity: kg Rates of duty (1-General): Free Rates of duty (2): 29%← HTS 7225.50.60.00HTS 7225.50.80 →