Cu-Zr Master Alloy Grain Refiner from Mexico
Copper-zirconium master alloy specifically formulated as grain refiner for cast copper alloys, containing 0.5-1% zirconium. Falls under HTS 7405.00.60.50 as other copper master alloys. Improves microstructure uniformity in castings.
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
• Microstructure analysis reports demonstrate grain refining efficacy
• Low zirconium levels prevent Chapter 81 classification