The ability of a metal material

- Sep 06, 2017 -

The ability of a metal material to resist a hard object's crushing surface is called hardness. According to the test method and the scope of application, hardness can be divided into Brinell hardness, Rockwell hardness, Vickers hardness, Shore hardness, micro hardness and high temperature hardness. For the pipe commonly used are Brinell, Rockwell, Vickers hardness of three.

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