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 * DAVIS SUSAN F   2. Issuer Name and Ticker or Trading Symbol QUANEX CORP [NX] 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) 1900 WEST LOOP SOUTH, SUITE 1500 3. Date of Earliest Transaction (Month/Day/Year) 04/23/2008 (Street) HOUSTON, TX 77027 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 04/23/2008   D   25,182 D (1) 0 D   Common Stock 04/23/2008   M   20,258.302 A (2) 20,258.302 D   Common Stock 04/23/2008   D   20,258.302 D $ 54.22 0 D

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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
Employee Stock Option (right to buy)	$ 17.8	04/23/2008		M			4,500	(3)	10/31/2013	Common Stock	4,500	$ 36.42	0	D
Employee Stock Option (right to buy)	$ 38.6067	04/23/2008		M			3,042	(3)	10/31/2015	Common Stock	3,042	$ 15.6133	0	D
Employee Stock Option (right to buy)	$ 15.7955	04/23/2008		M			4,500	(3)	10/31/2012	Common Stock	4,500	$ 38.4245	0	D
Employee Stock Option (right to buy)	$ 22.5333	04/23/2008		M			4,500	(3)	10/31/2014	Common Stock	4,500	$ 31.6867	0	D
Employee Stock Option (right to buy)	$ 41.19	04/23/2008		M			2,528	(3)	10/31/2017	Common Stock	2,528	$ 13.03	0	D
Employee Stock Option (right to buy)	$ 33.51	04/23/2008		M			3,388	(3)	10/31/2016	Common Stock	3,388	$ 20.71	0	D
Restricted Stock Units	(4)	04/23/2008		M			1,353	(5)	(5)	Common Stock	1,353	$ 54.22 (4)	0	D
Phantom Stock Units	(2)	04/23/2008		M			20,258.302	04/23/2008	04/23/2008	Common Stock	20,258.302	(2)	0	D

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
DAVIS SUSAN F 1900 WEST LOOP SOUTH SUITE 1500 HOUSTON, TX 77027	X

Signatures

/s/ John J. Mannion, Power of Attorney		04/24/2008
**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)	Disposed of pursuant to merger agreement among issuer, Gerdau S.A. and Gerdau Delaware, Inc.
(2)	Each share of phantom stock was the economic equivalent of one share of Quanex Corporation common stock. The reporting person settled her shares of phantom stock for cash.
(3)	All employee stock options were cancelled on 4/23/2008 pursuant to the merger agreement among issuer, Gerdau S.A. and Gerdau Delaware, Inc. in exchange for an amount equal to the merger consideration ($39.20) plus the value of a share of Quanex Building Products Corporation common stock at the close of business on the transaction date ($15.02) less the exercise price.
(4)	Each restricted stock unit was paid in cash in an amount equal to the economic value of one share of the issuer's common stock.
(5)	All restricted stock units vested upon issuance and became payable upon the merger of the issuer and Gerdau Delaware, Inc.

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