52100 Tool Steel Bar Stock from China
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 — 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 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