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

Copper-Phosphorus Master Alloy 15% P from Japan

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 — Japan → United States

0%

Rate breakdown

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