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O1 Oil-Hardening Tool Steel Coil from China

Hot-rolled irregularly wound coils of O1 tool steel (0.9% carbon, 1% manganese, 1% chromium) used for cutting tools and gauges. Fits HTS 7227.90.20.60 as other tool steel per US Note (e)(iii) with ≥0.85% carbon and 1-1.8% manganese. Excludes high-speed 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 verifying exact element percentages matching US tool steel definition

Confirm hot-rolled state without further working like coating or polishing per chapter note

Document end-use for tooling to support classification if audited by CBP