air-hardening steel

noun

: an alloy steel that can be hardened by cooling from a temperature higher than the transformation range either in air or by quenching in a liquid

called also self-hardening steel

Word History

First Known Use

1898, in the meaning defined above

Time Traveler
The first known use of air-hardening steel was in 1898

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Dictionary Entries Near air-hardening steel

air harbor

air-hardening steel

airhead

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Cite this Entry

“Air-hardening steel.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/air-hardening%20steel. Accessed 26 Mar. 2023.

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