ASTM E18-2020 - Rockwell testing standard changes?

bpritts

Involved - Posts
#1
I just got a notification that the ASTM procedure for Rockwell testing has been updated. Can't get any definitive info on the scope of change without buying a copy. Just among us chickens, we have better places to invest our money than a new copy of the standard unless there's something that actually affects us.

I did about 1/2 hour Google searching. Only info I could find was from 2018 suggesting that the ASTM committee was adding coverage for portable Rockwell testers. Anyone else have insight on this?

thanks,

Brad
 
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jmech

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#2
The last sentence in A1.5.3.5 was required to still require the calculation of R during daily verification, even if the differences between the individual hardness values and certified value for a test block are all within the maximum error E tolerances marked on the test block.

This is the only change since E18-19 identified in the summary of changes provided at the end of the document.
 
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