1652 degrees, Cherry red.
1832 degrees, Bright cherry red.
2015 degrees, Orange red.
2192 degrees, Orange Yellow.
2372 degrees, Yellow white.
2552 degrees, White-welding heat.
2732 degrees, Brilliant white.
2912 degrees, Dazzling white, bluish white.
In tempering, I let the oven cool down to the temperature that I need to draw the temper for the job that I
need. I then put the part in the oven, then let it cool down over night.