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Description
Hardness refers to the ability of a material to resist the pressing of hard objects into its surface. It is one of the important performance indicators of metal materials. Generally, the higher the hardness, the better the wear resistance. Commonly used hardness indicators are Brinell hardness, Rockwell hardness and Vickers hardness. https://www.mikrometry.com/classification-of-hardness-test-meters.html
Classification of Hardness Test Meters
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