AISI 52100 Hot-Rolled Ball-Bearing Steel Round Bar from China
A hot-rolled round bar made from AISI 52100 alloy steel, specifically formulated for ball-bearing applications with 0.95-1.13% carbon, 1.25-1.65% chromium, and low sulfur/phosphorus levels as per HTS Chapter 72 note (h). It is not further worked beyond hot-rolling, classifying it under 7228.30.2000 as other bars and rods of ball-bearing steel. This steel provides high hardness and wear resistance essential for bearing races and rolling elements.
Duty Rate — China → United States
17.5%
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
9903.88.157.5%Except as provided in headings 9903.88.39, 9903.88.42, 9903.88.44, 9903.88.47, 9903.88.49, 9903.88.51, 9903.88.53, 9903.88.55, 9903.88.57, 9903.88.65, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(r) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(s)
Import Tips
• Provide mill test certificate confirming ball-bearing steel composition per US Note (h) to avoid reclassification; ensure product is truly not further worked (no polishing or coating); watch for alloy content declarations as mislabeling can trigger audits