Tool steels are a popular choice for knife making. Carbon steel grades with high amounts of carbon are desirable for knife making because they will give the blade the hardness and strength necessary to withstand impact and wear. Stainless steel is another type of metal for making knives. The stainless steel blade is one of the most popular blades for knives due to its durability and corrosion resistance.
Stainless steel is a metal alloy generally made of at least 11% chromium, iron, nickel, molybdenum, and carbon. However, there are many different grades and compositions of stainless steel that vary with the properties used to make the material. Corrosion in knife steels generally takes the form of rust, patina, and stains. It can dull the cutting edge, cause pitting and damage the structural integrity of your knife.
Stainless steels are more resistant to corrosion, but remember that stainless steels stain less and that most of them rust under the right conditions. Being stainless is not an on-off property, and some stainless steels are more resistant to corrosion than others. Steel is the best metal for a sharp knife. Other metals don't provide the same amount of utility that steel brings to the table.
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