Company: TNRSF
Filing Date: 2025-04-02
Form Type: 6-K
Source: 0001171843-25-001944
Chunk: 0

Company: TENARIS SA
Filing Date: 2025-04-02
Form: 6-K
Chunk 0
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<div align='center'>FORM 6 - K

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

Report of Foreign Private Issuer

Pursuant to Rule 13a - 16 or 15d - 16 of

the Securities Exchange Act of 1934</div>

As of April 1, 2025

<div align='center'>TENARIS, S.A.

(Translation of Registrant's name into English)

26, Boulevard Royal, 4th floor

L-2449 Luxembourg

(Address of principal executive offices)

Indicate by check mark whether the registrant
files or will file annual reports under cover Form 20-F or 40-F.

Form 20-F Form 40-F</div>

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’s
Press Release announcing Tenaris Files 2024 Annual Report / Annual Report on Form 20-F, and Convenes the Annual General Meeting of Shareholders
and an Extraordinary General Meeting of Shareholders.

<div align='center'>SIGNATURE</div>

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.

Date: April 1, 2025

<div align='center'>Tenaris, S.A.</div>

By: /s/ Giovanni Sardagna

Giovanni Sardagna

Investor Relations Officer

Giovanni Sardagna

Tenaris

1-888-300-5432

www.tenaris.com

Tenaris Files 2024 Annual Report / Annual Report on Form 20-F, and Convenes the Annual General Meeting of Shareholders and an Extraordinary General Meeting of Shareholders

Luxembourg, April 1, 2025 – Tenaris S.A. (NYSE and Mexico:
TS and EXM Italy: TEN) filed today its 2024 Annual Report / Annual Report on Form 20-F, with the Luxembourg Stock Exchange, with the U.S.
Securities and Exchange Commission (SEC), and with the other securities regulators of the markets where its securities are listed. The
2024 Annual Report (which includes the consolidated management report containing the financial and non-financial information (or sustainability
statement