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 March, 2026
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’s ID 33.042.730/0001-04
NIRE 35-3.0039609.0
MATERIAL FACT
Companhia Siderúrgica Nacional (“CSN”
or “Company”), informs its shareholders and the general market the updated projections, as follows:
| (i) | Replacement of the projected volume of production and third parties purchases
of iron ore for 2026 from a level between 43.5-47.5 Mton to a level of 45.0-47.0 Mton. |
| (ii) | Projection of mining C1 cash cost to a level between US$22.0/ton and
US$23.5/ton in 2026. |
Such projections will be included in section 3 of
the Company's Reference Form and will be available on the CVM website at http://www.cvm.gov.br/ and on the Company's website at http://ri.csn.com.br/en/
within the legal deadline.
CSN clarifies that the information disclosed in this
document represents estimates and involves market factors beyond the control of the Company. Therefore, they do not constitute a promise
of performance by the Company and/or its administrators and, as such, may undergo further changes.
São Paulo, March 11, 2026.
Antonio
Marco Campos Rabello
Executive 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: March 11, 2026
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COMPANHIA SIDERÚRGICA NACIONAL |
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By: |
/S/ Benjamin Steinbruch
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Benjamin Steinbruch
Chief Executive Officer
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By: |
/S/ Antonio Marco Campos Rabello
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Antonio Marco Campos Rabello
Chief Financial and Investor Relations Officer
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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.
