Exhibit 23.1

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We hereby consent to the incorporation by reference in this Registration Statement on Form S-4 of Clayton Acquisition Corporation of our report dated March 16, 2007, except as to the going concern uncertainty described in Note 27, which is as of August 9, 2007, relating to the financial statements, management’s assessment of the effectiveness of internal control over financial reporting and the effectiveness of internal control over financial reporting, which appears in Wheeling-Pittsburgh Corporation’s Annual Report on Form 10-K/A for the year ended December 31, 2006. We also consent to the reference to us under the heading “Experts” in such Registration Statement.

/s/ PricewaterhouseCoopers LLP

Pittsburgh, Pennsylvania

October 9, 2007