EXHIBIT 23.1 CONSENT OF INDEPENDENT ACCOUNTANTS We hereby consent to the incorporation by reference in this Registration Statement on Form S-4 of our report dated February 15, 2002, except as to Note 8 which is as of April 26, 2002, relating to the consolidated financial statements of United States Steel Corporation which appears in the Current Report on Form 8-K of United States Steel Corporation dated June 4, 2002. We also consent to the incorporation by reference in this Registration Statement on Form S-4 of our report dated February 15, 2002, relating to the financial statement schedule of United States Steel Corporation which appears in United States Steel Corporation's Annual Report on Form 10-K for the year ended December 31, 2001. We also consent to the reference to us under the heading "Experts" in such Registration Statement. /s/ PricewaterhouseCoopers LLP PricewaterhouseCoopers LLP Pittsburgh, Pennsylvania June 20, 2002