Naval Bronze C46400 Unwrought Plates from Mexico
Naval bronze C46400 unwrought cast plates with 39-42% zinc and 5% tin. The tin content controls classification as copper-tin base alloy per subheading note (b), which allows zinc up to 10% when tin is 3% or more. These plates are traditional for propellers and valve components.
Duty Rate — Mexico → Canada
0%
Import Tips
• Confirm the zinc content is less than 10% despite the high overall zinc, as per subheading note (b)
• Provide a certificate of analysis
• Ensure the plates are unwrought and not cut or shaped beyond simple casting