Steel is an excellent conductor of heal, passing the heat along very rapidly until all of the Steel is the same temperature, preventing the steel from getting too hot in one place.....

Metals a conductors of all kinds of energ:

1. Sound
2. Electricity
3. Magnetism
4. Vibration
5. Heat
6. Stress
7. Pressure
8. Strain

Heat conduction prevented the Steel from getting too hot of lose strength, and it would never, ever melt...