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Rockwell hardness test reference guide

Writer:Anonymous   2020-02-24 17:01:58


Rockwell hardness test reference guide

  
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ASTM E18 contains a list of all conventional Rockwell scales and typical materials suitable for these scales. Use these tables to choose the ratio that works for your application.


 

Routine Rockwell hardness test


In this test method, the secondary (preload) is always 10kgf. The main load can be any of the following: 60 kgf, 100 kgf or 150 kgf.

  
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Surface Rockwell hardness test


In this test method, the secondary (preload) is always 3kgf. The main load can be any of the following: 15kgf, 30kgf or 45kgf.

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