<SEC-DOCUMENT>0001171843-21-003684-index.html : 20210520
<SEC-HEADER>0001171843-21-003684.hdr.sgml : 20210520
<ACCEPTANCE-DATETIME>20210520172130
ACCESSION NUMBER:		0001171843-21-003684
CONFORMED SUBMISSION TYPE:	SD
PUBLIC DOCUMENT COUNT:		1
<RULE>
<RULE-NAME>13p-1
<ITEM>
<ITEM-NUMBER>1.01
<ITEM-PERIOD>20201231
</ITEM>
</RULE>
FILED AS OF DATE:		20210520
DATE AS OF CHANGE:		20210520

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:		SD
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-31518
		FILM NUMBER:		21945522

	BUSINESS ADDRESS:	
		STREET 1:		26, BOULEVARD ROYAL, 4TH FLOOR
		CITY:			LUXEMBOURG
		STATE:			N4
		ZIP:			L-2449
		BUSINESS PHONE:		1-888-300-5432

	MAIL ADDRESS:	
		STREET 1:		26, BOULEVARD ROYAL, 4TH FLOOR
		CITY:			LUXEMBOURG
		STATE:			N4
		ZIP:			L-2449
</SEC-HEADER>
<DOCUMENT>
<TYPE>SD
<SEQUENCE>1
<FILENAME>fsd_052021.htm
<DESCRIPTION>FORM SD
<TEXT>
Document 1 - file: fsd_052021.htm

</DOCUMENT>
</SEC-DOCUMENT>