Beryllium Copper 8mm Sheet for Mold Tooling from China
An 8mm thick beryllium copper sheet designed for high-precision plastic injection mold inserts requiring excellent thermal conductivity. Falls under HTS 7409.90.10.30 as a copper alloy plate/sheet >0.15mm thick, specifically beryllium copper over 5mm, per Chapter 74 notes. Distinguished from brass or bronze by alloy predominance.
Duty Rate — China → United States
38%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
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)
Import Tips
• Include detailed alloy analysis report confirming beryllium copper (not brass/tin-dominant bronze)
• Avoid common pitfall of mismeasuring thickness—use calipers and photos for CBP verification
• Label shipments with toxicity warnings for beryllium dust during customs inspection