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What is flame hardening process 2024?
flame
flame flame
Questioner:Harper Lee 2023-06-04 17:50:02
The most authoritative answer in 2024
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Sophia Moore——Studied at University of Oxford, Lives in Oxford, UK
Heat is applied to the part being hardened, using an oxy- acetylene (or similar gas)
flame on the surface of the steel being hardened and heating the surface above the upper critical temperature before quenching the steel in a spray of water. The result is a hard surface layer ranging from 0.050" to 0.250" deep.
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