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ETP Grade Refined Copper Strip Coil from China

Electrolytic tough pitch (ETP) refined copper strip in coil form, 0.4 mm thick and 450 mm wide, ideal for transformer windings. Classified under HTS 7409.11.5050 due to refined copper composition, coil presentation, and dimensions under specified limits. Meets high conductivity standards for electrical use.

Duty Rate — China → United States

76%

Rate breakdown

9903.82.0250%Except as provided for in headings 9903.82.14, 9903.85.67 and 9903.85.68, articles of aluminum, of steel or of copper and derivative aluminum or steel articles, as provided for in subdivisions (c)(i)–(v) of U.S. note 16 to this subchapter
9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 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(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
9903.05.900%Articles already subject to Section 232 (steel/aluminum/copper + derivatives, autos + parts, wood, medium/heavy vehicles + parts, semiconductors, patented pharma) — U.S. note 52(f)

Import Tips

Ensure ETP certification and conductivity specs (>100% IACS) for refined copper compliance

Declare coil ID/OD precisely; uncoiling during inspection can trigger reclassification as sheet

Watch for alloy contamination—zinc >1% per note (a) requires alloy heading