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The Rockwell hardness tester only needs to touch the sample on one side to test the hardness of the metal. The Rockwell hardness tester is magnetically attached to the surface of the steel without supporting the sample. When we use the Rockwell hardness tester, there will inevitably be some problems
20
2022-11
Although the Brinell hardness tester is a measuring device with a simple structure, convenient operation, and high accuracy in metal appraisal work, once its long-term improper operation is very easy to cause inaccuracy in the hardness of the test, it will have a great impact on the quality of the p
17
2021-11
The real hardness tester complies with national and international standards and is interchangeable. Although the relevant Chinese authorities have formulated the national standards for portable hardness testers, some manufacturers are not technically capable of producing standard hardness testers, a
16
2021-11
Micro hardness tester is often used to measure the hardness of individual phases in a material or very thin layers on a metal surface (e.g. plating, nitride layer). Its value can be expressed as Mohs hardness HM, Vickers hardness HV or Nuptial hardness HK. The specimen must be ground and polished to
15
2021-11
The benchtop hardness tester has an automatic feedback lock between the lifting screw and the rotary wheel, an external RS232 terminal setting, and an external printer. It has good operability and intuitiveness, so it is very popular recently, so I will introduce the benchtop hardness tester next. H