Carbon steel is a popular choice for rough use knives. Carbon steel tends to be much tougher and much more durable, and easier to sharpen than stainless steel. They lack the chromium content of stainless steel, making them susceptible to corrosion. Carbon steels have less carbon than typical stainless steels do, but it is the main alloy elemen
Heating to a suitable temperature, between 800-900 degrees Celsius, according to analysis, holding at temperature followed by cooling in still air. Relieves internal stresses, refines the grain size and improves mechanical properties.