Naval Brass C46400 Ingot from Japan
Naval brass C46400 contains 60% copper, 39% zinc, and 1% tin in unwrought ingot form. HTS 7403.29.01 applies as other copper alloy due to tin addition preventing pure brass classification. Essential for marine hardware and propeller shafts.
Duty Rate — Japan → United States
1%
Rate breakdown
9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter
Import Tips
• Tin content analysis critical; levels >3% may trigger bronze classification review
• Use UNS/CDA markings on packaging matching import documentation
• Anti-dumping documentation required if Asian origin due to historical circumvention