<SEC-DOCUMENT>0001171843-25-002649-index.html : 20250430
<SEC-HEADER>0001171843-25-002649.hdr.sgml : 20250430
<ACCEPTANCE-DATETIME>20250430160824
ACCESSION NUMBER:		0001171843-25-002649
CONFORMED SUBMISSION TYPE:	SD
PUBLIC DOCUMENT COUNT:		2
<RULE>
<RULE-NAME>13p-1
<ITEM>
<ITEM-NUMBER>1.01
<ITEM-PERIOD>20241231
</ITEM>
</RULE>
FILED AS OF DATE:		20250430
DATE AS OF CHANGE:		20250430

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			TENARIS SA
		CENTRAL INDEX KEY:			0001190723
		STANDARD INDUSTRIAL CLASSIFICATION:	STEEL WORKS, BLAST FURNACES  ROLLING MILLS (COKE OVENS) [3312]
		ORGANIZATION NAME:           	04 Manufacturing
		EIN:				000000000

	FILING VALUES:
		FORM TYPE:		SD
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-31518
		FILM NUMBER:		25895070

	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>sd_043025.htm
<DESCRIPTION>FORM SD
<TEXT>
Document 1 - file: sd_043025.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>2
<FILENAME>sig.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 2 - file: sig.jpg

</DOCUMENT>
</SEC-DOCUMENT>