How to Harden Steel?

Answer Steel is an alloy of iron used in construction, the manufacture of metal tools and other applications. In uses exposing it to a lot of wear and tear, the steel must be hardened and then tempered so... Read More »

Top Q&A For: How to Harden Steel

How to Harden Steel With Oil?

The process of hardening steel typically involves heating the material to a predetermined temperature followed by a rapid cooling, known as quenching, in a liquid. Most grades of steels have a reco... Read More »

How to Harden Steel With Water?

Heat treating steel can fundamentally change its properties. The process can transform steel from something that is soft and malleable to a material that is hard and brittle. Using liquids to harde... Read More »

Why does a steel nail sink but a steel boat float?

Place a nail of any variety of steel in a container of water and it invariably sinks. Make a boat of steel, however, and it floats in water. Of course, it's not through magic that this occurs. It'... Read More »

How to Make a Fire With Flint and Steel or Quartzite and Steel?

If you do not want to use the two stick method for making a fire, because of the long time required, and because of the effort of making each piece of the bow drill, here is an easier way to get a ... Read More »