SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 6-K

Report of Foreign Private Issuer
Pursuant to Rule 13a-16 or 15d-16 of the

Securities Exchange Act of 1934

For the month of May, 2022

Commission File Number 1-14732

COMPANHIA SIDERÚRGICA NACIONAL

(Exact name of registrant as specified in its charter)

National Steel Company

(Translation of Registrant's name into English)

Av. Brigadeiro Faria Lima 3400, 20º andar
São Paulo, SP, Brazil
04538-132

(Address of principal executive office)

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

 Indicate by check mark whether the registrant by furnishing the information contained in this Form is also thereby furnishing the information to the Commission pursuant to Rule 12g3-2(b) under the Securities Exchange Act of 1934.  

Yes _______ No ___X____

COMPANHIA SIDERÚRGICA NACIONAL

Publicly Held Company

Corporate Taxpayer 33.042.730/0001-04

NIRE nº 35.300.396.090

MATERIAL FACT

Companhia Siderúrgica Nacional ("Company") (B3: CSNA3) in compliance with CVM’s resolution no. 44/2021, as amended, communicates to its shareholders and the market in general, the approval at a Meeting of the Board of Directors, held on May 18, 2022 ("RCA"), the conclusion of the company's current share repurchase program, approved on December 6, 2021, and the beginning of a new Repurchase Program for Shares issued by the Company ("Share Repurchase Program"), for acquisition, in the period from May 19, 2022, to May 18, 2023, up to 58,000,000 (fifty-eight million) common shares, as described in Annex I to the RCA minutes.

The Share Repurchase Program aims to acquire common shares, nominactive, book-entry and without nominal value issued by the Company itself, respecting the legal limits and based on available resources, for permanence in treasury and subsequent disposal or cancellation, pursuant to the provisions of Article 3 of CVM Resolution No. 77/2022.

São Paulo, May 18, 2022.

Marcelo Cunha Ribeiro

Executive Director of Finance and Investor Relations

SIGNATURE

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: May 18, 2022

COMPANHIA SIDERÚRGICA NACIONAL
By:	/S/ Benjamin Steinbruch
	Benjamin Steinbruch Chief Executive Officer

By:	/S/ Marcelo Cunha Ribeiro
	Marcelo Cunha Ribeiro Chief Financial and Investor Relations Officer

FORWARD-LOOKING STATEMENTS

This press release may contain forward-looking statements. These statements are statements that are not historical facts, and are based on management's current view and estimates of future economic circumstances, industry conditions, company performance and financial results. The words "anticipates", "believes", "estimates", "expects", "plans" and similar expressions, as they relate to the company, are intended to identify forward-looking statements. Statements regarding the declaration or payment of dividends, the implementation of principal operating and financing strategies and capital expenditure plans, the direction of future operations and the factors or trends affecting financial condition, liquidity or results of operations are examples of forward-looking statements. Such statements reflect the current views of management and are subject to a number of risks and uncertainties. There is no guarantee that the expected events, trends or results will actually occur. The statements are based on many assumptions and factors, including general economic and market conditions, industry conditions, and operating factors. Any changes in such assumptions or factors could cause actual results to differ materially from current expectations.