Here's a short video of me pulling out a 440C knife out of oven at 1980F and plate quenching. Kind of amazing that you can lay a piece of 1980F steel on a piece of aluminum and not melt the aluminum. I understand how it works it's still kind of neat lol.
https://youtu.be/l0m0mXj5plk
https://youtu.be/l0m0mXj5plk