Knowledge check (8 of 8)
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Lesson 05·Heat Treatment
Heat-treat fundamentals for forge dies — austenitize, quench, temper, secondary hardening
What actually happens in the cycle that takes an H13 block from 22 HRC anneal to 48 HRC working hardness, why two tempers are mandatory, and how to read a heat-treat chart and catch a missed secondary-hardening peak.
9 min readLesson 5 of 13
Knowledge check
A heat treater delivers an H13 forge die at 48 HRC on a single temper at 580°C. Hardness is in spec on the certificate. Why is this part likely to fail prematurely, and what would you require to fix the process before the next die ships?