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):
                            July 21, 2010


                   United States Steel Corporation
- ----------------------------------------------------------------------
                            -------------
        (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)

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

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 July 21, 2010, United States Steel Corporation (the "Corporation") entered
into a Second Amendment to the Second Amended and Restated Receivables Purchase
Agreement (the "Second Amendment").  The Second Amendment increases the total
amount of Commitments from $500,000,000 to $525,000,000 and extends the
Commitment Expiry Date to July 19, 2013.

A copy of the Second Amendment is filed herewith as Exhibit 10.1.

Item 9.01.  Financial Statements and Exhibits

(d) Exhibits

     10.1 Second Amendment to the Second Amended and Restated Receivables
	  Purchase Agreement, dated as of July 21, 2010 by and among U. S.
          Steel Receivables LLC, as Seller; United States Steel Corporation,
          as initial Servicer; the persons party thereto as CP Conduit
          Purchasers, Committed Purchasers, LC Banks and Funding Agents; and
          The Bank of Nova Scotia, as Collateral 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/ Gregory A. Zovko
     --------------------
     Gregory A. Zovko
     Vice President &
     Controller



Dated:  July 22, 2010