UNS C51900 Phosphor Bronze 6.2mm Sheet from China
UNS C51900 phosphor bronze sheet at 6.2mm thickness, containing 4-6% tin and 0.1-0.35% phosphorus for balanced formability and strength. Fits HTS 7409.39.10.30 as thick phosphor bronze plate/sheet of copper-tin alloy. Popular for bellows and burst discs in pressure vessels.
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
• Cite UNS C51900 specification in commercial invoice and packing list for classification support
• Provide width/length dimensions; very narrow widths might classify as strip vs plate
• Declare exact phosphorus percentage; trace amounts may challenge 'phosphor bronze' status