<SEC-DOCUMENT>0001171843-18-003312.txt : 20180502
<SEC-HEADER>0001171843-18-003312.hdr.sgml : 20180502
<ACCEPTANCE-DATETIME>20180502132943
ACCESSION NUMBER:		0001171843-18-003312
CONFORMED SUBMISSION TYPE:	6-K
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20180501
FILED AS OF DATE:		20180502
DATE AS OF CHANGE:		20180502

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			TENARIS SA
		CENTRAL INDEX KEY:			0001190723
		STANDARD INDUSTRIAL CLASSIFICATION:	STEEL WORKS, BLAST FURNACES  ROLLING MILLS (COKE OVENS) [3312]
		IRS NUMBER:				000000000

	FILING VALUES:
		FORM TYPE:		6-K
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-31518
		FILM NUMBER:		18798777

	BUSINESS ADDRESS:	
		STREET 1:		29 AVENUE DE LA PORTE-NEUVE
		STREET 2:		3RD FLOOR
		CITY:			LUXEMBOURG
		STATE:			N4
		ZIP:			L 2227
		BUSINESS PHONE:		212-376-6500

	MAIL ADDRESS:	
		STREET 1:		29 AVENUE DE LA PORTE-NEUVE
		STREET 2:		3RD FLOOR
		CITY:			LUXEMBOURG
		STATE:			N4
		ZIP:			L 2227
</SEC-HEADER>
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<TYPE>6-K
<SEQUENCE>1
<FILENAME>f6k_050118.htm
<DESCRIPTION>FORM 6-K
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<P STYLE="margin: 0"></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>FORM 6 - K</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>&nbsp;</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>&nbsp;</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>&nbsp;</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>SECURITIES AND EXCHANGE COMMISSION</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">Washington, D.C. 20549</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>Report of Foreign Private Issuer</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>Pursuant to Rule 13a - 16 or 15d - 16
of</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>the Securities Exchange Act of 1934</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: left">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: left"><B>As of May 1, 2018</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: left"><B>&nbsp;</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>TENARIS, S.A.</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">(Translation of Registrant's name into English)</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>TENARIS, S.A.</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">29, Avenue de la Porte-Neuve 3rd floor</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">L-2227 Luxembourg</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">(Address of principal executive offices)</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 2.45pt 0pt 0; text-align: center; text-indent: 21.3pt">Indicate
by check mark whether the registrant files or will file annual reports under cover Form 20-F or 40-F.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif">Form
20-F</FONT> <FONT STYLE="font-family: Symbol"><U>&Ouml;</U></FONT> <FONT STYLE="font-family: Times New Roman, Times, Serif">Form
40-F ____</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: left; text-indent: 21.3pt">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.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif">Yes
____ No</FONT> <FONT STYLE="font-family: Symbol"><U>&Ouml;</U></FONT> <FONT STYLE="font-family: Times New Roman, Times, Serif">&#9;</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center; text-indent: 21.3pt">If &ldquo;Yes&rdquo;
is marked, indicate below the file number assigned to the registrant in connection with Rule 12g3-2(b): 82-__.</P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: left">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&rsquo;s announcement regarding Tenaris 2018 First Quarter Results Conference Call.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: left">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: left">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: left">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; text-align: center">SIGNATURE</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: left">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: left">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: left">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: left">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: left">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.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: left">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: left">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: left">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: left">Date: May 1, 2018.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: left">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: left">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: left">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; text-align: center">Tenaris, S.A.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: left">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: left">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: left">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: left">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: left">By: /s/ Cecilia Bilesio&#9;&#9;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: left">Cecilia Bilesio</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: left">Corporate Secretary</P>



<P STYLE="margin: 0"></P>

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<TYPE>EX-99.1
<SEQUENCE>2
<FILENAME>exh_991.htm
<DESCRIPTION>EXHIBIT 99.1
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<P STYLE="margin: 0; text-align: right"><B>Exhibit 99.1</B></P>

<P STYLE="margin: 0">&nbsp;</P>

<P STYLE="margin: 0"></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><FONT STYLE="font-size: 14pt">Tenaris
2018 First Quarter Results Conference Call.</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 46.85pt">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: white">On April 27, 2018, Paolo Rocca, Chairman
and Chief Executive Officer of Tenaris S.A. (&ldquo;Tenaris&rdquo; or the &ldquo;Company&rdquo;) and other members of the Company&rsquo;s
senior management participated in an audio conference with investors and analysts to discuss, among other things, the Company&rsquo;s
results, market background and outlook. You may access the audio conference at Tenaris Investor Relations website at: <FONT STYLE="color: blue">http://files.shareholder.com/downloads/ABEA-2RJSJD/5926759525x0x978697/32E22082-8813-43E1-90C4-2BDC7EF46E81/Tenaris_4-27-2018.mp3</FONT>.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: white">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: white"><B>Cautionary Statement Regarding Forward-Looking
Statements</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; background-color: white">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; background-color: white">The audio conference
referred to above contains &ldquo;forward-looking statements.&rdquo; Forward-looking statements are based on management&rsquo;s
current views and assumptions and involve known and unknown risks that could cause actual results, performance or events to differ
materially from those expressed or implied by those statements. These statements include information regarding management strategy,
investment plans, development and growth of the steel pipe and oil and gas industries, trends and other prospective data, including
trends regarding the development of raw material costs and the levels of investment in oil and gas drilling worldwide and general
economic conditions in the countries where Tenaris operates and sells its products and services. By their nature, certain disclosures
relating to these and other risks are only estimates and could be materially different from what actually occurs in the future.
As a result, actual future gains or losses that may affect our financial condition and results of operations could differ materially
from those that have been estimated. You should not place undue reliance on the forward-looking statements, which speak only as
of the date of this conference call. Except as required by law, we are not under any obligation, and expressly disclaim any obligation
to, update or alter any forward-looking statements, whether as a result of new information, future events or otherwise.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; background-color: white">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><I>Tenaris is a leading global supplier of steel tubes and related
services for the world&rsquo;s energy industry and certain other industrial applications.</I></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; background-color: white">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>



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