Welcome to ModelEngineMaker !If you have problems registering or logging in, please use the contact menu option to request assistance.
The SSR driven relays come as part of the kit I have purchased Jo
SS 308 Foil wrap works well for getting clean heat treats. Some people add reducing salts in the packet.Used to do bright anneals of inconel parts in a tube furnace with pure hydrogen purge...once again in the rocket shop chem lab. Not a job for faint of heart, but the lead chemist helped out - rigged a small burner to cook off the trickle of H2 coming out the vent. Nice way to spend a snowy afternoon, warming your hands by the glowing hydrogen fires. But the wife (who worked there too as a structures analyst) disagreed, because the roads became jammed due to the snow accumulation, and I couldn't leave until the parts had finished, a 3-4 hour process. The wife and I eventually made it home, dodging spinouts and wrecks, but it was about 4 hours to go some 7 or 8 miles.
Jo,What is the temperature range of the kiln. What is maximum temperature you would envisage using for heat treatment.Colin