Tag Archive for Tag: Rockwell hardness number

Tag: Rockwell hardness number Hardness Tests

In the Brinell hardness test, a small spherical ball of specified size is forced into a flat steel specimen by a known static load. The diameter of the indentation made in the specimen can be measured by a micrometer microscope. The Brinell hardness number may then be calculated as the ratio of the applied load, in kilograms, to the surface

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