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Cold-Reduced 100Cr6 Ball Bearing Steel Strip from China

EN 100Cr6 (equiv. AISI 52100) cold-reduced flat-rolled steel strip for manufacturing precision ball bearings, conforming to HTS Chapter 72 ball-bearing steel definition with controlled low sulfur/phosphorus (≤0.03%) and silicon (0.18-0.37%). Width measures 350 mm, cold-rolled only without further surface treatments, fitting 7226.92.1030 for tool steel of alloy steel over 300 mm wide. Used primarily for bearing rings and rolling elements.

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

Provide EN 100Cr6 or AISI 52100 material certs proving ball-bearing elemental specs; mismatches lead to 7226.99 reclassification

Measure and declare width precisely (300-600mm); edge trimming may affect classification if reducing width below threshold

Avoid packaging that implies further working; bulk coils ok, but retail-packed may trigger 'further worked' review