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Definition of Rockwell hardness scales. ... "HRC 96" means 96 on the Rockwell C scale. Rockwell hardness numbers are usually used to describe the hardness ... (60 ...
HARDNESS TEST What is Hardness? ... The Rockwell hardness test method consists of indenting the test material with a ... 60 . 100 : B . 1/16" steel ball : 10 . 90 ...
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