Determining temps with magnets? in Heat Treating Knives, Blades etc Posted June 9, 2023 I’ve been heating carbon steel blade with coal and shop vac. The blade had the orange glow , but is still magnetic. I’ve done this twice now. Any help is appreciated. Thanks
Determining temps with magnets?
in Heat Treating Knives, Blades etc
Posted
I’ve been heating carbon steel blade with coal and shop vac. The blade had the orange glow , but is still magnetic. I’ve done this twice now. Any help is appreciated. Thanks