Phosphor Copper Master Alloy Ingot 10% P from Mexico
Master alloy ingots composed primarily of copper with 10% phosphorus content by weight, used in non-ferrous metallurgy for deoxidizing and grain refining. Classified under HTS 7405.00.10.00 due to phosphorus content between 5-15% and its role as a copper master alloy per Chapter 74 notes. Supplied in standard 25kg ingots for foundry addition.
Duty Rate — Mexico → United States
0%
Rate breakdown
9903.05.860%Articles provided for in subdivision (b) of U.S. note 52 to this subchapter
Import Tips
• Require mill test certificates confirming exact P content (5-15%) to avoid reclassification; declare as master alloy not finished product; watch for anti-dumping duties on certain copper alloys from specific origins