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 VIDEOS

Charpy Testing – Testing at Temperatures Different than Ambient Temperature

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      NIST Charpy Verification Program - Helpful Videos
      
            This
video indicates best practices for testing Charpy specimens at temperatures
different than ambient temperature (specifically, testing NIST verification
specimens at -40 °C). ASTM E23 prescribes that transfer time of the specimen
from the cooling medium to the impact position be limited to 5 seconds or less.

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