The old style stud had a welded head on it. The newly forged bolts have forged heads. There is no welding taking place on the forged style at all. Since I'm revisiting the welded style again, I noticed that these old designs didn't have any post weld heat treatment and I'm wondering what kind...
I am currently reviving an older bolt design which uses an EDT150 or 4140 QT stud that is threaded at both ends and is going to be welded to a nut on one of those ends. This in turn will create a bolt. We switched over to solid forged bolts a few months ago and we've been having problems with...
