SAE 52100 Seamless Alloy Steel Tube from China
High-precision seamless tube made from SAE 52100 alloy steel, featuring a circular cross-section and tight tolerances ideal for machining into inner or outer races of ball bearings. Its uniform microstructure and hardness after heat treatment make it specifically suitable for bearing manufacturing. Classified under 7304.59.10.00 due to its seamless construction and designation for bearing production.
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
• Obtain mill certificates confirming SAE 52100 grade and seamless production to prove suitability for bearing manufacture
• Include end-user statements from bearing producers to avoid misclassification as general tubing
• Watch for overlength shipments; ensure compliance with dimensional tolerances to prevent reclassification