C52100 Phosphor Bronze Coil Strip from Japan
C52100 phosphor bronze strip coil (Cu 92%, Sn 8%, P 0.05%) in widths 100-450mm, thickness 0.3mm, used for precision diaphragms. Fits HTS 7409.31.90.00 as thin bronze strip in coils per copper-tin base alloy definition (note b).
Duty Rate — Japan → United States
53%
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
9903.05.900%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
• Label coils clearly with alloy grade C52100 and dimensions to facilitate customs verification
• Avoid mixed alloy shipments; segregate brass/bronze to prevent duty disputes
• Document end-use if electrical to preempt anti-dumping scrutiny on Asian phosphor bronze