TourAxiom/US Federal/Statutes/Hts/§ 7227.20.00HTS 7227.20.00∀4 rulesOfficial sourcegraph ↗build calculator ↗citeOf silico-manganese steel Rates of duty (1-General): Free Rates of duty (2): 10%← HTS 7227.10.00.00HTS 7227.20.00.30 →