What steel is the razor blade made of?

A razor, also called a razor, is a knife for shaving. It first appeared in 1800, but it is easy to hurt people in use, and it is necessary to apply shaving foam to soften stubble before shaving. Kim. Kemp. Gillette improved the shaver to make it safer to use, and set up Gillette Company to manufacture it on 1903. Through continuous evolution, razors have become more convenient, such as the invention of electric razors. It has better shaving quality, such as changing the multi-head design. Blades must be made of high quality steel. Common stainless steels are 440C, 154CM, A2, D2, F6, etc. 440C is the so-called scalpel steel. Compared with the two, the scalpel is certainly better, and the scalpel is corrosion-resistant and tough.