BUZZ-Steel companies: U.S. sets import duty on Chinese steel products
** United States Steel Corp's shares up 3.6 pct at $39.52, ArcelorMittal SA's shares up 3 pct at $14.74, Vale SA's shares up 2.4 pct at $13.13
** Steel Dynamics Inc's shares up 2.4 pct at $23.77 and Nucor Corp's shares up 2 pct at $55.06
** U.S. Commerce Department set on Tuesday preliminary duties of up to 110 pct on import of carbon and alloy steel wire rod from China, saying steel products are being sold below cost in U.S. market
** Decision follows complaint by a group of steelmakers
** U.S. import of Chinese steel products totaled $313 million in 2013
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