I would say it is pretty difficult to get in die steels. Die steels are usally tempered more than 2 times. as the content of RA in this steel tend to be around 18-20%. It is difficult to convert complete steel free of RA, even martensitic stainless steel do have small amount of RA.

hi, srivasta, good to see your answer. thanx. actually i too belonged to kcssl 6 years ago.