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 *
CLARIOND EUGENIO
   2. Issuer Name and Ticker or Trading Symbol
Chaparral Steel CO [CHAP] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
__X__ Director _____ 10% Owner
_____ Officer (give title below) _____ Other (specify below)
(Last)
(First)
(Middle)
BATALLON SAN PATRICIO #111, PISO 26, VALLE OTE		 3. Date of Earliest Transaction (Month/Day/Year)
07/29/2005
(Street)

GARZA GARCIA, NUEVO LEON, O5 66269		 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

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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
Stock Option (right to purchase) $ 5.97 07/29/2005   A   12,004     (1) 10/15/2012 Common Stock 12,004 $ 0 12,004 D  
Phantom Stock (2) 07/29/2005   A(3)   33,187.28     (3)   (3) Common Stock 33,187.28 $ 0 33,187.28 D  

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
CLARIOND EUGENIO
BATALLON SAN PATRICIO #111
PISO 26, VALLE OTE
GARZA GARCIA, NUEVO LEON, O5 66269		   X      

Signatures

 /s/ Robert E. Crawford, Jr. as attorney-in-fact for Eugenio Clariond   08/02/2005
**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) This option was granted in connection with the spin-off of Chaparral Steel Company from Texas Industries, Inc. (TXI) as a substitute for unvested TXI options owned by the reporting person prior to the spin-off. The option becomes exercisable in three annual installments beginning on October 15, 2005, in the amounts of 4,002; 4,001 and 4,001 shares for each respective year.
(2) These phantom stock units convert to shares of common stock on a one-for-one basis.
(3) These phantom stock units were credited to the reporting person's Chaparral Steel Company deferred compensation account in connection with the spin-off of Chaparral from Texas Industries, Inc. (TXI) as a substitute for the TXI phantom stock held by the reporting person. The amount of phantom stock units credited is related to the number of phantom stock units of TXI allocated to the reporting person's TXI deferred compensation account prior to the spin-off. These phantom stock units were credited to the reporting person's Chaparral Steel Company account on July 29, 2005. The phantom stock units are to be settled 30 days after the reporting person ceases to be a member of the Board of Directors.

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