6-K

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C.  20549

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FORM 6-K

REPORT OF FOREIGN PRIVATE ISSUER

PURSUANT TO RULE 13a-16 OR 15d-16

UNDER THE SECURITIES EXCHANGE ACT OF 1934

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Dated September 8, 2010

Commission File Number: 333-146371

ARCELORMITTAL

(Translation of registrant’s name into English)

19 Avenue de la Liberté

L-2930 Luxembourg

Luxembourg

(Address of principal executive offices)

Indicate by check mark whether the registrant files or will file annual reports under cover Form 20-F or Form 40-F.

Form 20-F  x                               Form 40-F o

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(1): _____

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(7): _____

Indicate by check mark whether the registrant by furnishing the information contained in this Form is also thereby furnishing the information to the Commission pursuant to Rule 12g3-2(b) under the Securities Exchange Act of 1934.

Yes   o                                        No x

If “Yes” marked, indicate below the file number assigned to the registrant in connection with Rule 12g3-2(b):  82-________

On September 8, 2010, ArcelorMittal issued the press release attached hereto as Exhibit 99.1 hereby incorporated by reference into this report on Form 6-K.

Exhibit List

Exhibit No.		Description
Exhibit 99.1	Press release dated September 8, 2010 announcing the end of discussions between ArcelorMittal and BHP Billiton to combine assets in Liberia and Guinea.

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.

Date: September 8, 2010

By:	/s/ Henk Scheffer
	Name:	Henk Scheffer
	Title:	Company Secretary

Exhibit Index

Exhibit No.		Description
Exhibit 99.1	Press release dated September 8, 2010 announcing the end of discussions between ArcelorMittal and BHP Billiton to combine assets in Liberia and Guinea.

EX-99.1

news release

ArcelorMittal and BHP Billiton terminate discussions to combine assets in Liberia and Guinea

Luxembourg, 8 September 2010 (13:00 CET) – ArcelorMittal and BHP Billiton today jointly announced that they have ended preliminary discussions to combine the two companies’ iron ore mining and infrastructure interests in Liberia and Guinea into a single joint venture. The companies were unable to reach a commercial agreement.

ArcelorMittal will continue to develop its operations and iron ore interests in Liberia independently and is excited by the potential of this business. The first phase of the project is under construction with Direct Shipping Ore (DSO) production expected in the second half of 2011.

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