UPDATE 1-Vedanta's CopperTech Metals targets $3.6 billion valuation in US IPO

Adds valuation target in paragraph 1 and details throughout

- CopperTech Metals is targeting a valuation of up to $3.57 billion in its U.S. initial public offering, as the copper and cobalt producer seeks to raise as much as $423.5 million, it said on Tuesday.

The U.S.-domiciled company plans to offer 23.5 million shares priced between $16 and $18 apiece.

Vedanta Resources last year launched CopperTech Metals, which owns and operates Konkola Copper Mines in Zambia's Copperbelt province.

Citigroup and Cantor are joint book-running managers for the offering.

CopperTech will list on the New York Stock Exchange under the symbol "CUX."