Ron, that is exactly the process for annealing. Your machinist will love it. The trick is, when the machining is done, can you re-harden it, then temper it properly? Sure, you can return it to red-hot, and quench it in oil, but there's an arcane art here... To temper it, so it's hard enough, but no...

I think your machinist is being a cry-baby. It has to be hard to hold up to the abuse. Stay with carbon-steel filler. 80- or 90- series rod, if you have the facilites to anneal, then harden and temper. That should shut him up. Stainless will not harden, and silicon-bronze is too soft in it's best c...

Jason_alex wrote:How is it being machines?

Milling machine and die grinder.

Hi Some times I have to build up weld onto a brake press die so that the machinist can mill it into a different shape. Die's are assumed as being "pre-hardened chrome-carbon brake die steel with a mean 280 Brinnell hardness."(http://www.midwestpressbrake.com/) Filler rod choices: mild stee...

Hi
I am a welder for a tool and die company that gets all kinds of work to be repaired or fabricated.
I joined this forum to get opinions of other welders.
There is always room for improvement.
Cheers!
Ron