Ever wondered how one pocket knife can cost $20, and another $200? It almost always comes down to the materials used to make it, and the defining ingredient in any knife is the steel that constitutes ...

In the movie Conan the Barbarian, we hear a great deal about “the riddle of steel.” We are never told exactly what that riddle is, but in modern times, it might be: What’s the difference between 4150 ...

Stainless steel is mainly made of iron and carbon. Stainless steel differs from general carbon steel due to the presence of Chromium. In addition to Chromium, Nickel may also be included. Chromium is ...

It’s a frustrating fact that whenever you try to improve materials like steel, you end up introducing new weaknesses at the same time. It’s a balancing act between different properties. Now, engineers ...