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Tempering XW41 Tool Steel

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123Cat

Mechanical
Joined
Jul 16, 2003
Messages
67
Location
AU
Temper for 2 hours, twice
Why so long?
I suppose something happens in the steel ?

Thanks for replies
 
Due to high alloy content, tool steels are generally very 'slow' reacting during thermal processing. Thus there is a relatively high proportion of retained austenite after hardening, and the double temper helps to convert this weak, soft constituent into hard, useful martensite.

Terry
 
Thanks Terry
Excellent
 
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