Cupro-Nickel 90/10 Sheet from Japan
A flat sheet of 90% copper and 10% nickel alloy (cupro-nickel) with thickness exceeding 0.15 mm, used primarily for heat exchanger plates in marine and desalination systems. This product falls under HTS 7409.40.00.00 because it is a copper-nickel base alloy plate or sheet meeting the subheading note (d) definition, where nickel predominates over other elements and zinc is under 1%.
Duty Rate — Japan → United States
13%
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
Import Tips
• Verify alloy composition via certified mill test report (CMTR) showing nickel predominance and zinc <1% to confirm cupro-nickel classification
• Ensure thickness documentation exceeds 0.15 mm; thinner material shifts to Chapter 74 foil headings