    <SEC-DOCUMENT>0001171843-25-002035-index.html : 20250404
    <SEC-HEADER>0001171843-25-002035.hdr.sgml : 20250404
    <ACCEPTANCE-DATETIME>20250404170821
    ACCESSION NUMBER:		0001171843-25-002035
    CONFORMED SUBMISSION TYPE:	6-K
    PUBLIC DOCUMENT COUNT:		2
    CONFORMED PERIOD OF REPORT:	20241231
    FILED AS OF DATE:		20250404
    DATE AS OF CHANGE:		20250404

    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:		6-K
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-31518
    		FILM NUMBER:		25815707

    	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>6-K
    <SEQUENCE>1
    <FILENAME>f6k_040225.htm
    <DESCRIPTION>FORM 6-K
    <TEXT>
    Document 1 - file: f6k_040225.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.1
    <SEQUENCE>2
    <FILENAME>exh_991.pdf
    <DESCRIPTION>EXHIBIT 99.1
    <TEXT>
    Document 2 - file: exh_991.pdf

    </DOCUMENT>
    </SEC-DOCUMENT>