The Webster hardness testing for aluminum alloy material is applied the most in aluminum alloy section factories and aluminum alloy doors, windows and walls in the constructional industry. It is stipulated in the national standard GB/T 523…

HR-Rockwell hardness Rockwell hardness (HR) depend on the indentation plastic deformation depth to determine the hardness value of the index with 0.002 mm as a unit of hardness. When HB> 450 or the sample is too small, Portable Rockwell ha…

In addition to the various precautions used when using a variety of hardness, there are some common issues that should be noted as follows: 1, Rockwell hardness tester itself will produce two kinds of errors: First, the error caused by def…

Portable hardness tester is increasingly widely used because of its small size, light weight, easy to carry, a wide range of detection, easy to operate, high detection speed and so on. What’s more, portable hardness tester can be converted…

With the development of manufacturing, its requirements to the quality of raw materials and parts are getting higher and higher. In metallurgy, electricity, petroleum machinery, rail vehicles, automobiles, military equipment and other fiel…

The quality requirement of petroleum instrument is quite high. Leeb hardness tester and Vicker hardenss tester couldn't meet the test requirements. Generally speaking, users of this kind of equipments would ask the manufacturer to test the…

Static afterburner portable Brinell hardness tester includes C-type Brinell hardness tester, hydraulic Brinell hardness tester and magnetic Brinell hardness tester. American Standard ASTM E110-2012 and China Metallurgical Industry Standard…

Introduction Brinell hardness tester is mainly used for hardness determination of cast iron, steel, nonferrous metals and soft alloy materials. Brinell hardness test is the biggest indentation test of all test method. It is a high accuracy…

Brinell hardness tester application: As the Brinell hardness test use large pressure, large pressure head and large indentation diameter, it is suitable for metal hardness testing of the large grain.Such as cast iron, nonferrous metals and…