(See table, Rockwell hardness testing, for a list of scales and uses.) There are two main types of Rockwell tests: regular and superficial.

Several different Rockwell scales are used for various materials and hardnesses. The most common are the Rockwell B and Rockwell C scales. The Rockwell B system incorporates a 1/16 th inch diameter ...

With its latest ZHU-topLine hardness tester, Zwick is strengthening its market lead as a supplier of premium universal hardness testing equipment. The first fully functioning prototypes was showcased ...