Copper-Manganese Master Alloy Ingots from China
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 — China → United States
25%
Rate breakdown
9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
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
• 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