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How do we check Hardness values for

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Surchi

Surchi

Materials
Joined
Sep 12, 2019
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Location
IN
How do we check Hardness values for Graphite Block - Is it Rockwell C scale or Rockwell B scale. Which is better
 
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What is the spec? What does it say?


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P.E. Metallurgy, consulting work welcomed
 
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Rockwell L perhaps.

Check the standard as mentioned below for more......

ASTM C748 - 20
Standard Test Method for Rockwell Hardness of Graphite Materials

DHURJATI SEN
Kolkata, India

 
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Thanks for the inputs
 
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