aws cwi study guide

Q:- For the structure termed martensitic to form in a c-mn steel it must first be heated to just below a critical temperature and rapidly cooled

Posted on


  • Just below its lower critical temperature and rapidly cooled
  • A maximum temperature of 550*C then rapidly cooled
  • Above its upper critical temperature and slowly furnace cooled
  • A full transformation to austenite then rapidly cooled
Advertisements