Knife Rockwell Hardness And The Best HRC For Knives
Are you wondering what is “Rockwell hardness of steel” is? Well in simple words, it determines the effect of heat treatment on the steel. And manufacturers use this to measure the hardness of the steel. Hugh Rockwell and Stanely Rockwell co-invented this in 1914. They came up with the idea of using a cone-shaped diamond … Read more