<SEC-DOCUMENT>0001199073-17-000239-index.html : 20170405
<SEC-HEADER>0001199073-17-000239.hdr.sgml : 20170405
<ACCEPTANCE-DATETIME>20170404173722
ACCESSION NUMBER:		0001199073-17-000239
CONFORMED SUBMISSION TYPE:	6-K
PUBLIC DOCUMENT COUNT:		18
CONFORMED PERIOD OF REPORT:	20170403
FILED AS OF DATE:		20170405
DATE AS OF CHANGE:		20170404

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:		17739874

	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>tenaris6k.htm
<DESCRIPTION>TENARIS S.A. 6-K
<TEXT>
Document 1 - file: tenaris6k.htm

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<SEQUENCE>2
<FILENAME>image2.jpg
<TEXT>
Document 2 - file: image2.jpg

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<SEQUENCE>3
<FILENAME>image00003.jpg
<TEXT>
Document 3 - file: image00003.jpg

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<SEQUENCE>4
<FILENAME>image3.jpg
<TEXT>
Document 4 - file: image3.jpg

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<SEQUENCE>5
<FILENAME>image00004.jpg
<TEXT>
Document 5 - file: image00004.jpg

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<DOCUMENT>
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<SEQUENCE>6
<FILENAME>image4.jpg
<TEXT>
Document 6 - file: image4.jpg

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<SEQUENCE>7
<FILENAME>image00005.jpg
<TEXT>
Document 7 - file: image00005.jpg

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<SEQUENCE>8
<FILENAME>image5.jpg
<TEXT>
Document 8 - file: image5.jpg

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<SEQUENCE>9
<FILENAME>image00006.jpg
<TEXT>
Document 9 - file: image00006.jpg

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<SEQUENCE>10
<FILENAME>image6.jpg
<TEXT>
Document 10 - file: image6.jpg

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<DOCUMENT>
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<SEQUENCE>11
<FILENAME>image00007.jpg
<TEXT>
Document 11 - file: image00007.jpg

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<SEQUENCE>12
<FILENAME>image7.jpg
<TEXT>
Document 12 - file: image7.jpg

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<SEQUENCE>13
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<TEXT>
Document 13 - file: image8.jpg

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<SEQUENCE>14
<FILENAME>image9.jpg
<TEXT>
Document 14 - file: image9.jpg

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<FILENAME>image00010.jpg
<TEXT>
Document 15 - file: image00010.jpg

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<SEQUENCE>16
<FILENAME>image00011.jpg
<TEXT>
Document 16 - file: image00011.jpg

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<SEQUENCE>17
<FILENAME>image00012.jpg
<TEXT>
Document 17 - file: image00012.jpg

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<DOCUMENT>
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<SEQUENCE>18
<FILENAME>image00013.jpg
<TEXT>
Document 18 - file: image00013.jpg

</DOCUMENT>
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