Wesfarmers (ASX:WES) completed the sale of its industrial gas business, Coregas, to a unit of Japan's Nippon Sanso Holdings, a supplier of industrial, electronic, and medical gases, for AU$770 million, according to a Tuesday filing with the Australian bourse.

The deal is expected to generate a pre-tax profit in the range of AU$230 million to AU$260 million, subject to completion adjustments, the filing said.