Lesson 15: How to Make a Railroad Spike Knife | DIY Knife Making: Heat Treating
This step is all about adding the final strength to your blade. Here, Aram shows us exactly how to heat treat our knives. He covers critical temperature, magnetism, and using super quench solution to get your blade to a proper strength. There are multiple ways that this step can be done. Some blacksmiths like to anneal at this stage and some don’t feel the need. Aram will give you his insight into the debate and the reasons why he chooses NOT to anneal at this point in the process. Once this step is done, you’ll have some seriously strong steal!
In This Video:
- Heat Treating
- Magnetism and critical temperature
- Super quench solution
- And more…