2017-04-01から1ヶ月間の記事一覧

Webster Hardness Testing for Aluminum and Aluminum Alloy

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…

The Difference And Conversion Of Rockwell Hardness, Brinell Hardness And Other Hardness (2)  

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…

Precautions of Rockwell Hardness Tester

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 Precautions  

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…

On - Site Brinell Hardness Test Technology (1)  

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…

Brinell Hardness Tester for Petroleum Machinery Equipment-1

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…

Brinell Hardness Test Technology (2)  

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…

Brief Introduction of Brinell Hardness Tester  

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…

Application of Brinell Hardness Tester and Its Advantages and Disadvantages

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…