O1 Tool Steel Polished Rectangular Bar 12x4mm from Japan
O1 oil-hardening tool steel bar (0.9% C, 1% Mn, 1% Cr) in 12mm x 4mm rectangular section with polished surfaces for die making. Fits HTS 7228.50.10.20 as tool steel per note (e)(iii) with rectangular cross-section under 18mm max dimension and polished finish.
Duty Rate — Japan → United States
10%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Import Tips
• Certify O1 composition meets note (e)(iii) requirements (0.85%+ C, 1-1.8% Mn)
• Document polishing process to distinguish from hot-rolled
• Avoid bulk packaging that might trigger set classification