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Founded Year



Unattributed - II | Alive

Total Raised


Last Raised

$4.07M | 3 yrs ago

About NanoSteel

NanoSteel develops steel alloys, known as Super Hard Steel (SHS), that provide increases in strength for applications as metallic coatings.

Headquarters Location

272 West Exchange Street Suite 300

Providence, Rhode Island, 02903,

United States


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Expert Collections containing NanoSteel

Expert Collections are analyst-curated lists that highlight the companies you need to know in the most important technology spaces.

NanoSteel is included in 1 Expert Collection, including Advanced Materials.


Advanced Materials

1,282 items

Startups developing new or improved materials (chemicals, alloys, etc.) that provide physical or functional advantages to basic materials.

NanoSteel Patents

NanoSteel has filed 57 patents.

The 3 most popular patent topics include:

  • Metalworking
  • Steels
  • Metallurgy
patents chart

Application Date

Grant Date


Related Topics




Metallurgy, Metalworking, Metal heat treatments, Ceramic materials, Steels


Application Date


Grant Date



Related Topics

Metallurgy, Metalworking, Metal heat treatments, Ceramic materials, Steels



Latest NanoSteel News

Week in Review: ArcelorMittal and GFG; copper prices; China’s Five-Year Plan

Mar 12, 2021

U.S. Steel announced it acquired steel sheet patents from The NanoSteel Company, Inc. Stuart Burns broke down the challenge ahead for Sanjeev Gupta’s GFG Alliance amid the collapse of its top financial backer. Earlier this week, MetalMiner completed the March update to the Annual Outlook for this year. Sohrab Darabshaw on ArcelorMittal’s plans to build a steel plant in India. Speaking of ArcelorMittal, the steelmaker sold most of its US assets to Cleveland-Cliffs — contributor Christopher Rivituso delved into ArcelorMittal’s future with its remaining North American assets. Rio Tinto announced plans to build a tellurium plant at its Kennecott mine in Utah. Elsewhere, Nucor Corporation said it will invest $164 million to build a new tube mill in the Midwest. Burns broke down news of China’s latest Five-Year Plan and what it could mean for its massive steel sector. The US Court of International Trade dismissed a challenge of the US’s Section 232 tariff exclusion process. Copper fundamentals remain strong, but the copper price recently pulled back on a classic profit-taking sell-off. Circling back to ArcelorMittal, the steelmaker is asking for cash upfront in order to supply GFG Alliance, as the latter faces financial difficulties.

NanoSteel Frequently Asked Questions (FAQ)

  • When was NanoSteel founded?

    NanoSteel was founded in 2002.

  • Where is NanoSteel's headquarters?

    NanoSteel's headquarters is located at 272 West Exchange Street, Providence.

  • What is NanoSteel's latest funding round?

    NanoSteel's latest funding round is Unattributed - II.

  • How much did NanoSteel raise?

    NanoSteel raised a total of $91.89M.

  • Who are the investors of NanoSteel?

    Investors of NanoSteel include GM Ventures, EnerTech Capital, SPDG, Lear, Horizon Technology Finance and 7 more.

  • Who are NanoSteel's competitors?

    Competitors of NanoSteel include Tribonex and 4 more.

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