O1 Oil-Hardening Tool Steel Ingot from China
O1 tool steel ingot with 0.85-1.00% carbon and 1.00-1.80% manganese meets tool steel criteria per note (e)(iii). Used primarily for making drills, taps, and knurling tools. Falls under 7224.10.0045 as primary form tool steel.
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
• Submit chemical analysis certificate at entry; segregate from non-tool steel to prevent commingling issues; note no rust allowance per chapter provisions