Cupronickel C70600 Ingot from Japan
C70600 cupronickel is 88% copper, 10% nickel, 1% iron, 1% manganese unwrought ingot. Classifies HTS 7403.29.01 as other copper alloy (nickel <5%, zinc absent). Marine condenser tubes and desalination equipment.
Duty Rate — Japan → United States
1%
Rate breakdown
9903.05.860%Universal product exemption (U.S. note 52(b))
Import Tips
• Seawater corrosion specs (ASTM B111) verify marine grade composition
• Nickel content <5% critical distinction from nickel silvers
• Declare iron/manganese stabilizers; affects classification stability