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
75%
Rate breakdown
9903.82.0250%Except as provided for in headings 9903.82.14, 9903.85.67 and 9903.85.68, articles of aluminum, of steel or of copper and derivative aluminum or steel articles, as provided for in subdivisions (c)(i)–(v) of U.S. note 16 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
9903.05.900%Articles already subject to Section 232 (steel/aluminum/copper + derivatives, autos + parts, wood, medium/heavy vehicles + parts, semiconductors, patented pharma) — U.S. note 52(f)
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