EXHIBIT 4.3 AMENDMENT NO. 1 TO INTERCREDITOR AGREEMENT

Exhibit 4.3

AMENDMENT NO. 1

TO

INTERCREDITOR AGREEMENT

by and among

EARLE M. JORGENSEN COMPANY,

RSAC MANAGEMENT CORP.

And

THE BANK OF NEW YORK TRUST COMPANY, N.A.
(as successor to The Bank of New York), as Trustee

Dated as of October 26, 2006

AMENDMENT NO. 1 TO INTERCREDITOR AGREEMENT

     This AMENDMENT NO. 1 TO INTERCREDITOR AGREEMENT (this “ Amendment ”) dated as of October 26, 2006 by and among Earle M. Jorgensen, a Delaware corporation (the “ Company ”), The Bank of New York Trust Company, N.A., a national banking association, as successor trustee (the “ Trustee ”) under the Indenture referred to below and RSAC Management Corp. (“ Management ”), in its capacity as Revolver Agent for itself and Reliance Steel & Aluminum Co. (“ Reliance ”), amends certain provisions of the Intercreditor Agreement dated as of May 22, 2002 by and among the Company, the Bank of New York, as trustee, and the Deutsche Bank Trust Company Americas (“ DBTC ”), in its capacity as agent for itself and any other Revolver Lender (the “ Intercreditor Agreement ”).

RECITALS

     A. WHEREAS, the Company’s predecessor has heretofore executed and delivered to The Bank of New York, the Trustee’s predecessor, an Indenture (as amended, supplemented or otherwise modified, the “ Indenture ”) dated as of May 22, 2002, providing for the issuance of the Company’s 9 ³ / ₄ % Senior Secured Notes due 2012 (the “ Notes ”), initially in the aggregate principal amount of up to $250,000,000.

     B. WHEREAS, DBTC, Reliance and Management entered into an Assignment and Assumption Agreement dated April 3, 2006 under which DBTC irrevocably assigned to Management all of DBTC’s rights and delegated to Management all of DBTC’s obligations under the Intercreditor Agreement and Management accepted all of DBTC’s right