Manganese Bronze C86500 Ingot from Japan
C86500 manganese bronze ingot is 58% copper, 39% zinc, 2% manganese, and aluminum, cast unwrought. Classified HTS 7403.29.01 as other copper alloy since it doesn't strictly fit brass definitions with multiple elements. Used for propeller shafts and gears.
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
• Wet chemistry analysis required for manganese verification beyond handheld spectrometers
• Segregate from naval brass shipments; composition overlap causes frequent exam holds
• Include bill of materials showing end-use as castings to support unwrought status