Oxygen-Free High-Conductivity Copper Bar from Mexico
OFHC C102 copper bar for RF components and cryogenics, with <5 ppm oxygen. HTS 7407.10.50 for refined copper bars/rods in precision applications. Superior purity prevents hydrogen embrittlement.
Duty Rate — Mexico → United States
51%
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
• Require vacuum melt certification; electrolytic refined alone insufficient for OFHC claims
• Annealed tempers common; hard-drawn may need separate proof
• Anti-dumping checks if from certain origins