1. 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):
September 17, 2007
RELIANCE STEEL & ALUMINUM CO.
(Exact name of registrant as specified in its charter)
California 001-13122 95-1142616
(State or other jurisdiction of (Commission File Number) (I.R.S. Employer
incorporation) Identification Number)
Date: 20-SEP-2007 19:11:43.24
350 S. Grand Ave., Suite 5100
Los Angeles, CA 90071
(Address of principal executive offices)
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(213) 687-7700
*A33966/001/1*
(Registrant’s telephone number, including area code)
Not applicable.
(Former name or former address, if changed since last report)
Operator: BLA99999T
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)
Phone: (213) 627-2200
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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escription: Form 8-K

2. Item 8.01 Other Events.
On September 18, 2007 Reliance Steel & Aluminum Co. (the “Company”) announced that it has reached an agreement to acquire the
outstanding capital stock of Metalweb plc (“Metalweb”), a corporation formed and operating in the United Kingdom and headquartered in
Birmingham, England. Metalweb was founded in 2001 and specializes primarily in the processing and distribution of aluminum products for
non-structural aerospace components and general engineering parts used in high-end industrial applications. Metalweb has three additional
metals service center locations in Manchester, London and Oxford, England. Metalweb’s net sales for fiscal year ended May 31, 2007 were
about $53 million U.S. The Company intends to acquire Metalweb through RSAC Management Corp., the Company’s wholly-owned
subsidiary, subject to certain conditions. Current management are expected to remain in place. Terms were not disclosed.
None of the Sellers is, and none of the officers and directors of Metalweb is, affiliated with or related to the Company in any way. The
purchase price was determined by negotiations between the Company, on the one hand, and the Sellers, on the other. To fund the purchase
price and the repayment of debt, the Company intends to draw on its syndicated bank revolving line of credit established November 9, 2006
with Bank of America, N.A. as administrative agent, and 15 banks as lenders. The Sellers and/or officers or directors of Metalweb, through
various other entities, own certain of the real property on which facilities of Metalweb are located.
A copy of the press release related to the transaction is attached as an exhibit.
Item 9.01 Financial Statements and Exhibits.
(a) Financial Statements of Businesses Acquired.
N/A
(b) Pro Forma Financial Information.
N/A
(c) Exhibits.
Date: 20-SEP-2007 19:11:43.24
Exhibit No. Description
99.1 Press Release dated September 18, 2007.
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Operator: BLA99999T
Phone: (213) 627-2200
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escription: Form 8-K

3. 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.
By /s/ David H. Hannah
Dated: September 19, 2007
David H. Hannah
Chief Executive Officer
Date: 20-SEP-2007 19:11:43.24
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Operator: BLA99999T
Phone: (213) 627-2200
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escription: Form 8-K

4. WNE INTEGRATED TYPESETTING SYSTEM Site: BOWNE OF LOS ANGELES Phone: (213) 627-2200 Operator: BLA99999T Date: 20-SEP-2007 19:11:43.24
ame: RELIANCE STEEL & ALU
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CRC: 5244
99.1
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escription: Form 8-K
Exhibit No.
Description
Press Release dated September 18, 2007.
FORM 8-K
INDEX TO EXHIBITS
RELIANCE STEEL & ALUMINUM CO.

5. Exhibit 99.1
NEWS RELEASE
FOR IMMEDIATE RELEASE CONTACT: Kim P. Feazle
Investor Relations
(713) 610-9937
(213) 576-2428
kfeazle@rsac.com
investor@rsac.com
RELIANCE STEEL & ALUMINUM CO. SIGNS AGREEMENT
TO ACQUIRE METALWEB PLC
Los Angeles, CA — September 18, 2007 — Reliance Steel & Aluminum Co. (NYSE:RS) announced today that it has reached an agreement
to acquire the outstanding capital stock of Metalweb plc. The metals service center company is headquartered in Birmingham, England, and has
three additional service centers located in Manchester, London and Oxford, England. Metalweb was established in 2001 and specializes in the
processing and distribution of primarily aluminum products for non-structural aerospace components and general engineering parts used in
high-end industrial applications. Metalweb plc’s net sales for the fiscal year ended May 31, 2007 were approximately $53 million.
Date: 20-SEP-2007 19:11:43.24
Current management is expected to remain in place including Derek Webb, the company’s majority owner and Managing Director. The
transaction is expected to be finalized within the next 30 days, subject to certain conditions. Terms were not publicly disclosed.
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“This transaction will bring an additional global presence to Reliance and its first metals service center in the United Kingdom with a highly
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skilled and knowledgeable management team that is eager to continue to grow both within the U.K. and beyond,” said David H. Hannah, Chief
Executive Officer.
(more)
Operator: BLA99999T
Phone: (213) 627-2200
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escription: Exhibit 99.1

6. 2-2-2
Reliance Steel & Aluminum Co., headquartered in Los Angeles, California, is one of the largest metals service center companies in the
United States. Through a network of more than 180 locations in 37 states and Belgium, Canada, China and South Korea, the Company provides
value-added metals processing services and distributes a full line of over 100,000 metal products. These products include galvanized, hot-rolled
and cold-finished steel; stainless steel; aluminum; brass; copper; titanium and alloy steel sold to more than 125,000 customers in various
industries.
Reliance Steel & Aluminum Co.’s press releases and additional information are available on the Company’s web site at
www.rsac.com. The Company was named to the 2007 “Fortune 500” List and the Fortune “100 Fastest Growing Companies” List and
the Fortune 2007 List of “America’s Most Admired Companies” and the 2007 Forbes “Platinum 400 List of America’s Best Big
Companies.” This release may contain forward-looking statements relating to future financial results. Actual results may differ materially as a
result of factors over which Reliance Steel & Aluminum Co. has no control. These risk factors and additional information are included in the
Company’s Annual Report on Form 10-K for the year ended December 31, 2006 and other reports on file with the Securities and Exchange
Commission.
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Date: 20-SEP-2007 19:11:43.24
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Operator: BLA99999T
Phone: (213) 627-2200
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CRC: 30385
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ame: RELIANCE STEEL & ALU
escription: Exhibit 99.1