O1 Tool Steel Polished Rectangular Bar 12x4mm from China
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 — China → United States
35%
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
9903.91.0125%Effective with respect to entries on or after September 27, 2024, articles the product of China, as provided for in subdivision (b) of U.S. note 31 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