52100 Ball Bearing Tool Steel Ingot from China
52100 steel ingot matches ball-bearing tool steel note (h) with 0.95-1.13% C, 1.25-1.65% Cr, low S/P. Also qualifies generally as tool steel. HTS 7224.10.0045 for primary tool steel forms.
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
• Document both tool steel and ball-bearing specs; low impurity levels critical; separate from non-bearing steel shipments