|FORM 6 - K
|----------



|SECURITIES AND EXCHANGE COMMISSIONWashington, 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 February 28, 2003
|-----------------------



|TENARIS, S.A.(Translation of Registrants name into English)
|------------------------------------------------------------





|TENARIS, S.A.23 Avenue Monterey 
      2086 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  that Tamsa,  its operating  subsidiary  listed on the American and
Mexican Stock  Exchanges, has published its 2002 annual results.
|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



|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: February 28, 2003
|-----------------------



|Tenaris, S.A.
|-------------



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



| |  | 
| |  | 



---