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Oilfield Glossary
Oilfield Glossary
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Charpy test

1. n. [Production]

A mechanical impact test conducted on a precisely machined coupon of the steel to be tested. The coupon is clamped in a special machine and subjected to a lateral hammer blow. This test provides a relative measure of the toughness of the material and its resistance to shock and impact loads. Often required for low temperature applications where testing is done at the expected minimum service temperature.