Ownership Submission
FORM 4
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940
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(Print or Type Responses)
1. Name and Address of Reporting Person *
SALES WILLIAM K JR
   2. Issuer Name and Ticker or Trading Symbol
RELIANCE STEEL & ALUMINUM CO [RS] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
Sr. VP, Operations
(Last)
(First)
(Middle)
350 SOUTH GRAND AVENUE, SUITE 5100		 3. Date of Earliest Transaction (Month/Day/Year)
08/01/2013
(Street)

LOS ANGELES, CA 90071		 4. If Amendment, Date Original Filed(Month/Day/Year)
 6. Individual or Joint/Group Filing(Check Applicable Line)
_X_ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person
(City)
(State)
(Zip)
Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security
(Instr. 3)		 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code
(Instr. 8)		 4. Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5)		 5. Amount of Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 3 and 4)		 6. Ownership Form: Direct (D) or Indirect (I)
(Instr. 4)		 7. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V Amount (A) or (D) Price
Common Stock 08/01/2013   M   25,000 A $ 44.86 82,380 (1) D  
Common Stock 08/01/2013   S   25,000 D $ 70.92 (2) 57,380 (1) D  
Common Stock               2,437 (3) I Held by Trustee of Reliance Steel & Aluminum Co. Employee Stock Ownership Plan

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Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 3)		 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 4. Transaction Code
(Instr. 8)		 5. Number of Derivative Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4, and 5)		 6. Date Exercisable and Expiration Date
(Month/Day/Year)		 7. Title and Amount of Underlying Securities
(Instr. 3 and 4)		 8. Price of Derivative Security
(Instr. 5)		 9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 4)		 10. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 4)		 11. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
Options to Acquire Common Stock $ 44.86 08/01/2013   M     25,000   (4) 03/02/2014 Common Stock 25,000 $ 0 0 (5) D  

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
SALES WILLIAM K JR
350 SOUTH GRAND AVENUE
SUITE 5100
LOS ANGELES, CA 90071		       Sr. VP, Operations  

Signatures

 William K. Sales, Jr. by William A. Smith II as his Attorney-in-Fact   08/02/2013
**Signature of Reporting Person Date

Explanation of Responses:

* If the form is filed by more than one reporting person, see Instruction 4(b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1) Includes 6,000 restricted shares subject to vesting over time.
(2) The price reported represents the weighted average sale price of the shares disposed of. The actual sale prices ranged from $70.71 to $71.23. The Reporting Person has provided to the Issuer and hereby undertakes to provide upon request by the U.S. Securities and Exchange Commssion Staff or a security holder of the Issuer, full information regarding the number of shares sold at each separate price.
(3) The Company received the allocation for the 2012 plan year under the Reliance Steel & Aluminum Co. Employee Stock Ownership Plan ("ESOP") on May 30, 2013. The Reporting Person acquired 81 ESOP shares for the 2012 plan year.
(4) The options vested and became exercisable in four equal annual installments beginning on March 2, 2008, which was the first anniversary of the date on which the options were granted.
(5) In the aggregate, the Reporting Person beneficially owns 100,000 options to acquire common stock (with various exercise prices and expiration dates) as of the date of this report. In addition, the Reporting Person beneficially owns 20,000 restricted stock units subject to performance and service criteria.

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