Journal of Heat Treating

, Volume 4, Issue 3, pp 237–246 | Cite as

Hardening response of carbonitrided rimmed and aluminum-killed SAE 1010 steels

  • E. R. Mantel
  • M. M. Shea


The critical cooling rate to achieve fully martensitic structures was determined for rimmed and aluminum-killed SAE 1010 steel containing various amounts of carbon and nitrogen. Fine grained aluminum-killed steels required a cooling rate approximately two times higher that rimmed steel for all carbon andnitrogen contents evaluated. Alloying may be required to reduce the critical cooling rate to a rate achievable in oil-quenched carbonitrided components processed from aluminum-killed steel.


Austenite Cool Rate Martensitic Structure Plain Carbon Steel Martensitic Microstructure 
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Copyright information

© American Society for Metals 1986

Authors and Affiliations

  • E. R. Mantel
    • 1
  • M. M. Shea
    • 1
  1. 1.Metallurgy DepartmentGeneral Motors Research LaboratoriesWarren

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