C10200 OFHC Copper Square Bar from Canada
1/2-inch square bar of Oxygen-Free High Conductivity C10200 copper for semiconductor lead frames. Falls in HTS 7407.10.5050 'other' refined copper bars, purity 99.95% Cu, no oxygen. Excludes hollow high-conductivity types.
Duty Rate — Canada → 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 oxygen content cert <10 ppm to distinguish OFHC from standard OF copper
• Bars must be straight lengths <12m; coils classify differently
• Prevent surface oxidation during shipping; tarnish can affect duty inspection