Commerce Initiates Antidumping Duty Investigation of Imports of Phosphor Copper from the Republic of Korea–Fact Sheet

  • On March 30, 2016, the Department of Commerce (Commerce) announced the initiation of the

antidumping duty (AD) investigation of imports of phosphor copper from the Republic of Korea


  • The AD law provides U.S. businesses and workers with a transparent, quasi-judicial, and

internationally-accepted mechanism to seek relief from the market-distorting effects caused by

injurious dumping of imports into the United States, establishing an opportunity to compete on a level

playing field.

  • For the purpose of AD investigations, dumping occurs when a foreign company sells a product in the

United States at less than its fair value.

  • The petitioner is Metallurgical Products Company (PA).
  • The merchandise covered by this investigation is master alloys1 of copper containing between five

percent and 17 percent phosphorus by nominal weight, regardless of form (including but not limited to

shot, pellet, waffle, ingot, or nugget), and regardless of size or weight. Subject merchandise consists

predominantly of copper (by weight), and may contain other elements, including but not limited to

iron (Fe), lead (Pb), or tin (Sn), in small amounts (up to one percent by nominal weight). Phosphor

copper is frequently produced to JIS H2501 and ASTM B-644, Alloy 3A standards or higher;

however, merchandise covered by this investigation includes all phosphor copper, regardless of

whether the merchandise meets, fails to meet, or exceeds these standards.

  • Merchandise covered by this investigation is currently classified in the Harmonized Tariff Schedule of

the United States (HTSUS) under subheading 7405.00.1000. This HTSUS subheading is provided for

convenience and customs purposes; the written description of the scope of this investigation is


  • In 2015, imports of phosphor copper from Korea were valued at an estimated $4.3 million

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