UNITED STATES
                  SECURITIES AND EXCHANGE COMMISSION

                       Washington, D.C.  20549


                       -----------------------

                               FORM 8-K

                            CURRENT REPORT

                  Pursuant to Section 13 or 15(d) of
                 The Securities Exchange Act of 1934

                       -----------------------

          Date of Report (Date of earliest event reported):
                             May 11, 2007


                   United States Steel Corporation
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        (Exact name of registrant as specified in its charter)


       Delaware                1-16811               25-1897152
   ---------------     ----------------------   -------------------
   (State or other        (Commission File         (IRS Employer
   jurisdiction of             Number)          Identification No.)
    incorporation)

      600 Grant Street, Pittsburgh, PA               15219-2800
      ----------------------------------             ----------
        (Address of principal executive               (Zip Code)
                   offices)

                            (412) 433-1121
                    ------------------------------
                   (Registrant's telephone number,
                         including area code)

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Check the appropriate box below if the Form 8-K filing is intended to
simultaneously satisfy the filing obligation of the registrant under any of the
following provisions:

[  ] Written communications pursuant to Rule 425 under the Securities Act (17
     CFR 230.425)

[  ] Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR
     240.14a-12)

[  ] Pre-commencement communications pursuant to Rule 14d-2(b) under the
     Exchange Act (17 CFR 240.14d-2(b))

[  ] Pre-commencement communications pursuant to Rule 13e-4(c) under the
     Exchange Act (17 CFR 240.13e-4(c))


Item 1.01. Entry into a Material Definitive Agreement

On May 11, 2007, United States Steel Corporation (the "Corporation") entered
into an unsecured five-year $750,000,000 Credit Agreement (the "Credit
Agreement") with the lenders party thereto, the LC issuing banks party thereto
and JPMorgan Chase Bank, N.A. as Administrative Agent.  The Credit Agreement
contains an interest coverage ratio (consolidated EBITDA to consolidated
interest expense) covenant of 2:1 and a leverage ratio (consolidated debt to
consolidated EBITDA) of 3.25:1 along with other customary terms and conditions.
The Credit Agreement replaces the Corporation's $600 million revolving credit
facility secured by inventory.

The Credit Agreement is filed herewith as Exhibit 10.1.


Item 9.01. Financial Statements and Exhibits

(c) Exhibits

     10.1 CREDIT AGREEMENT dated as of May 11, 2007 among UNITED STATES STEEL
          CORPORATION, the LENDERS party hereto, the LC ISSUING BANKS party
          hereto, and JPMORGAN CHASE BANK, N.A., as Administrative Agent.

                                    SIGNATURE

     Pursuant to the requirements of the Securities Exchange Act of 1934, the
registrant has duly caused this report to be signed on its behalf by the
undersigned hereunto duly authorized.

UNITED STATES STEEL CORPORATION



By   /s/ Larry G. Schultz
     --------------------
     Larry G. Schultz
     Vice President & Controller



Dated:  May 15, 2007