7405.00.60.50/Copper-Phosphorus Master Alloy 15% P/China

Copper-Phosphorus Master Alloy 15% P from China

A master alloy consisting primarily of copper with 15% phosphorus content, used in the non-ferrous metals industry for deoxidizing and grain refining during casting of copper alloys. It falls under HTS 7405.00.60.50 as a master alloy of copper not specified elsewhere in heading 7405. This high-phosphorus variant is essential for improving the fluidity and strength of bronze castings.

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
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Import Tips

• Provide detailed chemical composition certificates from the manufacturer to verify it qualifies as a copper master alloy under Chapter 74

• Ensure alloy meets subheading note definitions for copper-base alloys; misclassification as unwrought copper (7403) is common

• Declare exact phosphorus percentage on entry documents to avoid reclassification during customs review