UPDATE 1-U.S. unit of Russia's Evraz targets $400 mln from IPO - sources

MOSCOW, Sept 29 (Reuters) - Evraz North America, the U.S. unit of Russian steelmaker Evraz, wants to raise about $400 million from an initial public offering (IPO) of between 25 percent and 35 percent of its shares, two banking sources in Moscow said on Monday.