Copper-Manganese Master Alloy Ingots from Mexico
Master alloy of copper with 20-30% manganese content, cast into ingots for introducing manganese into copper alloys to improve hot workability and strength. HTS 7405.00.60.50 classification for other copper master alloys. Used in production of free-machining copper alloys.
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
• Specify manganese recovery rates in technical data to justify master alloy function
• Segregate from wrought copper-manganese alloys (7407) by form and intended remelt use
• Include foundry trial data showing solubility in copper melts