Knowledge check (7 of 7)
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Lesson 08·Pre-treatment
Pre-nitride heat treatment — you can't nitride a soft die
Why the temper temperature has to sit above the nitride cycle by 30-50°C, why EDM without stress relief is the single most common cause of premature nitrided-tool failure, and what the print has to say before the part ships out for treatment.
8 min readLesson 8 of 12
Knowledge check
An A2 punch was secondary-hardened at 510°C to 58 HRC and shipped for a 540°C gas nitride cycle. Walk through what is wrong with the sequence and what the part will look like when it comes back.