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
OMB APPROVAL
OMB Number: 3235-0287
Expires: January 31, 2005
Estimated average burden hours per response... 0.5

(Print or Type Responses)
1. Name and Address of Reporting Person *
CONTRAN CORP
  2. Issuer Name and Ticker or Trading Symbol
TITANIUM METALS CORP [TIE]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director __X__ 10% Owner
_____ Officer (give title below) _____ Other (specify below)
(Last)
(First)
(Middle)
5430 LBJ FREEWAY, SUITE 1700
3. Date of Earliest Transaction (Month/Day/Year)
03/23/2010
(Street)

DALLAS, TX 75240
4. If Amendment, Date Original Filed(Month/Day/Year)
6. Individual or Joint/Group Filing(Check Applicable Line)
___ Form filed by One Reporting Person
_X_ 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, $.01 par value 03/23/2010   J(1)(2) V 156,840 A $ 0 (1) 156,840 D  
Common Stock, $.01 par value 03/23/2010   J(1)   156,840 D $ 0 (1) 0 I by Dixie Rice (3)
Common Stock, $.01 par value 03/23/2010   J(1)(2) V 156,840 A $ 0 (1) 156,840 I by Dixie Rice (3)
Common Stock, $.01 par value 03/23/2010   J(1)   156,840 D $ 0 (1) 47,038,436 I by VHC (4)
Common Stock, $.01 par value               882,588 I by NL (5)
Common Stock, $.01 par value               826,959 I by Valhi (6)
Common Stock, $.01 par value               566,529 I by NL EMS (7)

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB control number. SEC 1474 (9-02)

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

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
CONTRAN CORP
5430 LBJ FREEWAY, SUITE 1700
DALLAS, TX 75240
    X    
VALHI HOLDING CO
5430 LBJ FREEWAY, SUITE 1700
DALLAS, TX 75240
    X    
DIXIE RICE AGRICULTURE CORP INC
5430 LBJ FREEWAY, SUITE 1700
DALLAS, TX 75240
    X    
SIMMONS HAROLD C
5430 LBJ FREEWAY, SUITE 1700
DALLAS, TX 75240
  X   X   Chairman of the Board  

Signatures

 A. Andrew R. Louis, Secretary, for Contran Corporation   04/23/2010
**Signature of Reporting Person Date

 A. Andrew R. Louis, Secretary, for Valhi Holding Company   04/23/2010
**Signature of Reporting Person Date

 A. Andrew R. Louis, Secretary, for Dixie Rice Agricultural Corporation, Inc.   04/23/2010
**Signature of Reporting Person Date

 A. Andrew R. Louis, Attorney-in-fact, for Harold C. Simmons   04/23/2010
**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) See Exhibit 99.1 attached hereto.
(2) These acquisitions are exempt pursuant to Rule 16a-13 since the acquisition effected only a change in the form of beneficial ownership without changing the recipient's pecuniary interest in the shares acquired. See Exhibit 99.2 for, among other things, a description of the relationships among the persons joining in this filing.
(3) Directly held by Dixie Rice Agricultural Corporation, Inc. See Exhibit 99.2 for, among other things, a description of the relationships among the persons joining in this filing.
(4) Directly held by Valhi Holding Company. See Exhibit 99.2 for, among other things, a description of the relationships among the persons joining in this filing.
(5) Directly held by NL Industries, Inc. See Exhibit 99.2 for, among other things, a description of the relationships to the persons joining in this filing.
(6) Directly held by Valhi, Inc. See Exhibit 99.2 for, among other things, a description of the relationships to the persons joining in this filing.
(7) Directly held by NL Environmental Management Services, Inc. See Exhibit 99.2 for, among other things, a description of the relationships to the persons joining in this filing.
 
Remarks:
Harold C. Simmons and his wife own 7,421,787 and 21,575,875 shares, respectively, of the common stock of the issuer.  A trust of which Mr. Simmons and his wife are trustees and the beneficiaries of which are the grandchildren of his wife owns 15,432 shares of the common stock of the issuer.  Mr. Simmons and his wife each disclaims beneficial ownership of, and a pecuniary interest in, the shares of the issuer's common stock that his or her spouse owns or this trust owns.  See the Additional Information filed as Exhibit 99 to this statement for a description of the relationships Mr. Simmons and his wife have to the other reporting persons.

Exhibit Index
Exhibit 99.1 - Description of the Transaction
Exhibit 99.2 - Additional Information

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.

Potential persons who are to respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB number.