FORM 6 - K



                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549


                        Report of Foreign Private Issuer
                    Pursuant to Rule 13a - 16 or 15d - 16 of
                       the Securities Exchange Act of 1934


                               As of May 25, 2005



                                  TENARIS, S.A.
                 (Translation of Registrant's name into English)


                                  TENARIS, S.A.
                           46a, Avenue John F. Kennedy
                                L-1855 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 40-F.

                       Form 20-F   x          Form 40-F 
                                 -----                  -----


      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          No    x   
                                    -----        -----


     If "Yes" is marked, indicate below the file number assigned to the
registrant in connection with Rule 12g3-2(b): 82-__.





The attached material is being furnished to the Securities and Exchange
Commission pursuant to Rule 13a-16 and Form 6-K under the Securities Exchange
Act of 1934, as amended. This report contains Tenaris's press release announcing
shareholders approval of the dividend payment and election of directors.


                                    SIGNATURE



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: May 25, 2005



                                  Tenaris, S.A.




By: /s/ Cecilia Bilesio
-----------------------
Cecilia Bilesio
Corporate Secretary






Tenaris Shareholders Approve Dividend Payment and Election of Directors

    LUXEMBOURG--(BUSINESS WIRE)--May 25, 2005--Tenaris S.A. (NYSE:TS)
(BCBA:TS) (BMV:TS) (BI:TEN), in its annual general shareholders
meeting today, approved the consolidated financial statements for the
year ended December 31, 2004 and the payment of the proposed annual
dividend to shareholders of US$0.169 per share (US$1.69 per ADS), or
approximately US$200 million. The dividend payment date will be June
13, 2005 and the corresponding ex-dividend date will be June 8.
    The general shareholders' meeting also approved the re-election of
the current eight members of the board of directors and the election
of Roberto Monti to serve as members of the board of directors until
the next annual shareholders' meeting, which will be held in June
2006. Mr. Monti is a former Executive Vice-President of Repsol YPF and
currently serves as non-executive chairman of Trefoil Ltd., and member
of the board of directors of Wood Group, Transocean Inc. and Petrobras
Energia S.A.
    The board of directors subsequently confirmed Amadeo Vazquez y
Vazquez and Jaime Serra Puche and elected Roberto Monti as members of
the Company's audit committee, with Mr. Vazquez y Vazquez to continue
as chairman. All three members of the audit committee are independent
directors.
    The shareholders' meeting also re-appointed Price Waterhouse & Co.
S.R.L., a member firm of PricewaterhouseCoopers, as its independent
auditors for the 2005 fiscal year.
    The extraordinary general shareholders' meeting also held today
approved the procedural amendments to the Company's articles of
association proposed in the agenda for the meeting. Shareholders may
obtain details of the amendments and copies of the amended articles of
association by contacting the Company's registered office in
Luxembourg.
    Tenaris is a leading global manufacturer of seamless steel pipe
products and provider of pipe handling, stocking and distribution
services to the oil and gas, energy and mechanical industries and a
leading regional supplier of welded steel pipes for gas pipelines in
South America. Domiciled in Luxembourg, we have pipe manufacturing
facilities in Argentina, Brazil, Canada, Italy, Japan, Mexico, Romania
and Venezuela and a network of customer service centers present in
over 20 countries worldwide.

    CONTACT: Tenaris
             Nigel Worsnop, 888-300-5432
             www.tenaris.com