Welded Tube USA has completed its purchase of 45 acres on the former Bethlehem Steel site in Lackawanna.

The property sold for $812,700, according to the county clerk’s office.

The subsidiary of Welded Tube of Canada plans to invest $50 million in a new facility that will supply pipe to the energy industry. Initial construction is expected to be completed in February 2013, with production planned to begin in August 2013.