AISI 4140 80K MYS
AISI 4140 80K MYS
(OP)
What is the maximum temperature AISI 4140 80K MYS can withstand?
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RE: AISI 4140 80K MYS
The strength will derate as temperature increases. In general, staying 100F below the temper temperature will maintain strength unless extended times are seen. Take a look at the Holloman-Jaffe parameter and equate the temperature/time used for the temper heat treatment to the same Holloman-Jaffe value for a reduced temperature of interest. This would give you an estimate of the time required at that reduced temperature to have the same effect as the temper heat treatment.