52100 Tool Steel Round 15mm from Canada
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 — Canada → 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
• 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