C87200 Silicon Brass Ingot from Mexico
C87200 silicon brass ingot incorporates 4% silicon into copper-zinc matrix for casting applications. Still qualifies as brass under HTS 7403.21.00.00 with zinc predominant. Used for valve stems and marine castings.
Duty Rate — Mexico → United States
1%
Rate breakdown
9903.05.860%Articles provided for in subdivision (b) of U.S. note 52 to this subchapter
Import Tips
• Silicon content verification ensures continued brass classification
• Casting alloy documentation distinguishes from wrought grades
• Grain structure analysis may be required for quality verification