Which steel?

Ricky, you are right that you want to put the carbon into solution but with strongly hypereuticoid steels like 1095 or 52100 you can put too much carbon into solution which will physically block the austinite from converting to martensite upon quenching. I got that from Kevin and it might be in Your Heat Treating Toolbox on the heat treating forum. This is where you run into increased retained austinite with these steels and what makes temperature control with them so important. It goes beyond grain growth.

Doug
 
Doug Lester said:
Ricky, you are right that you want to put the carbon into solution but with strongly hypereuticoid steels like 1095 or 52100 you can put too much carbon into solution which will physically block the austinite from converting to martensite upon quenching. I got that from Kevin and it might be in Your Heat Treating Toolbox on the heat treating forum. This is where you run into increased retained austinite with these steels and what makes temperature control with them so important. It goes beyond grain growth.

Doug
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Good to know Doug, Thanks.
 
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