Recent content by bburl

Finally registered after lurking for awhile.Im usually over on the hamb as i have a number of car projects im working on.If you have any questions on machining i can help.Been at it for over 30 years and have been involved in just about every type of machining there is.Catch ya latter,Burl.

use 4140 or p-20 and machine right to size.After that just salt bath nitride or sometimes called melonite qpq.Google it theres lots of info on this process.We use this on mold parts were strength and toughness is desired.It will not change shape maybe grow a few tenths after heat treat...