What knives stay shar the longest?

The answer is Japanese knives.

Japanese knives are known for their sharpness and durability. They are made from high-quality steel, and the blades are often carefully hand-forged. The traditional Japanese knife-making process involves multiple steps, each of which contributes to the knife's strength and sharpness.

One of the key factors that contribute to the longevity of Japanese knives is the use of high-carbon steel. Carbon is an essential element in steel, and it is responsible for the metal's hardness and strength. Japanese knives typically contain a higher percentage of carbon than Western knives, which makes them harder and more durable.

Another important factor is the heat treatment process. Japanese knife makers use a special heat treatment process called "differential tempering." This process involves heating the blade to a very high temperature and then quenching it in water or oil. This creates a hard edge that is resistant to wear and tear.

The final step in the Japanese knife-making process is sharpening. Japanese knives are sharpened to a very fine edge, which makes them extremely sharp. However, because of their high carbon content, they also hold their edge longer than Western knives.

As a result of these factors, Japanese knives are considered to be some of the best knives in the world. They are sharp, durable, and long-lasting, and they are perfect for any task in the kitchen.