12-12-2017, 07:33 AM
Mr. Mark, thanks for your detailed answer, appreciated. 
My problem is not steel but the kiln. Many, many years ago I have built an electric enamelling furnace, which is probably no more used. I am wondering if it would be possible to tune this furnace to higher temperatures, because it was designed only for some 900 °C (1650 °F).
It might be easier to build a new electric kiln furnace designed for knife blades. I still have several heating elements which could be used. The heating elements can be used up to 1200 °C (2200 °F).
My wish is to build a versatile kiln, initially for two blades only, but with an option to expand it in the future by adding several refractory bricks and heating elements.
My shop is in the basement and for this reason I would like to avoid open fire heating.
Jan
My problem is not steel but the kiln. Many, many years ago I have built an electric enamelling furnace, which is probably no more used. I am wondering if it would be possible to tune this furnace to higher temperatures, because it was designed only for some 900 °C (1650 °F).
It might be easier to build a new electric kiln furnace designed for knife blades. I still have several heating elements which could be used. The heating elements can be used up to 1200 °C (2200 °F).
My wish is to build a versatile kiln, initially for two blades only, but with an option to expand it in the future by adding several refractory bricks and heating elements.
My shop is in the basement and for this reason I would like to avoid open fire heating.
Jan