hardening-and-tempoering

7 лет назад

This video demonstrates the hardening and tempering process for a chisel made from coil spring steel. The presenter explains the importance of heating the steel slowly and using a magnet to determine critical temperature. They then show how to quench the chisel in oil and temper it to achieve the desired hardness and durability.

6 лет назад

This video demonstrates how to heat treat a small piece of tool steel using a propane torch and peanut oil. The presenter explains the process step-by-step, highlighting the importance of safety precautions and the different colors that appear on the steel as it heats up. They also discuss the use of a magnet to test for magnetism and a file to test for hardness.

2 года назад

This video demonstrates how to harden and temper tool steel. The presenter, Charles Lewton-Brain, uses W1 tool steel and explains the process of heating the steel to the correct temperature before quenching it in water. They then show how to test the hardened steel with a file, highlighting the difference in sound between the hardened and unhardened sections.