Search results

409 cleaner huh ? wonder what's in there that would make a difference. It's worth a try. I've always heard that there is a certain amount of witch craft in CCH. Again, thanks for the replies Roger

My elapsed time from the oven to the quench might be 30 seconds. I position the delidded crucible over the water, open end up. With a quick twist of the wrist, I'm able to dump the charcoal and parts with nearly no air gap. And I HAVE experienced the charcoal shower once. That's all it took to...

Swede Thanks for the information on the sodium nitrate. I'll give it a try next time I color and will let you know the results.

Farenheit. One hard lesson I learned about temp. Use two pyrometers, preferrably digital. Had the "one" malfunction once and overheated a piece by at least 400 degrees. Part hardened so much it became too brittle. Repeated annealing did'nt even work

I've read something about cyanide in the process and you are proably correct. That seems to be something dangerous they would have used in the old days {before OSHA} I had'nt heard of the oil slick. Something I'll have to investigate. I've also read about the sodium nitrate in the quench. but I...

I've been case color hardening for a few months now with consistant results, I use the standard 4/1 bone/wood charcoal mix, 1400 degrees for from 1 hr 15 min to 2 hrs. Aerated quench water from 50 to 70 degrees with no air gap. The colors are good with grey edges. concistant with modern CCH...