52100 Tool Steel Round 15mm from China
Cold-finished 52100 chrome steel bar (1% C, 1.5% Cr—note e(ii)), 15mm, bearing race stock but tool-qualified. Under 7228.50.10.40 for tool steel cold-formed <18mm.
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
• 52100 dual-use; prove tool steel via note (e) not ball-bearing note (h)
• Low sulfur/phos specs must match exactly for tool status
• Bearing end-use doesn't change classification—material/process governs