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UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

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FORM 8-K

CURRENT REPORT
Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

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Date of Report (Date of earliest event reported):
April 22, 2010

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RELIANCE STEEL & ALUMINUM CO.
(Exact name of registrant as specified in its charter)

(213) 687-7700
(Registrant’s telephone number, including area code)

Not applicable.
(Former name or former address, if changed since last report)

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))

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On April 22, 2010, the Company issued a press release announcing financial results for the quarter ended March 31, 2010.  Attached hereto as Exhibit 99.1 is a copy of the Company’s press release dated April 22, 2010 announcing the Company’s financial results for this period.

The information contained in this report and the exhibit hereto shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or incorporated by reference in any filing under the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in such a filing.

SIGNATURES

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 thereunto duly authorized.

RELIANCE STEEL & ALUMINUM CO.

FORM 8-K

INDEX TO EXHIBITS