Learn effective techniques for stainless steel testing, including magnet tests, nitric acid reactions, and advanced methods ...

Rust is a constant threat to the iron all around us, which readily oxidizes in both air and water. Even steel — a hard alloy of iron with traces of carbon — easily rusts, which means oxidation ...

Stainless steel is an alloy of iron and some chromium ... is that the surface layer of the stainless is a transparent chromium oxide. With the heat of the laser, the calcium and chromium ...