52100 Tool Steel Bar Stock from Japan
52100 chrome alloy tool steel bar (1% C, 1.5% Cr) for bearings and instruments, meeting Note (e)(ii). HTS 7228.60.10.60 as other tool steel bars. Common bearing grade but qualifies chemically as tool steel.
Duty Rate — Japan → United States
50%
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
9903.05.900%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 often bearing steel but meets tool steel chem - declare per Note (e)(ii)
• Very tight chemistry tolerances - mill certs must match exactly
• Distinguish from Note (h) ball-bearing steel which has stricter limits