It?s recognized by the square end perpendicular to the wire. This is a wire with a distinct fatigue break. The necking down of the wire at the point of failure to form the cup and cone indicates failure has occurred while the wire retained its ductility. It?s typically recognized by the ?cup and cone? appearance at the point of failure. Here?s what happens when a wire breaks under tensile load exceeding its strength. It is the inspector?s responsibility to obtain and follow the proper inspection criteria for each application inspected. Inspections should be carried out by a person who has learned through special training or practical experience what to look for and who knows how to judge the importance of any abnormal conditions they may discover. Be sure to maintain records of each inspection Appoint a Qualified Person To Inspect The longer it has been in service or the more severe the service, the more thoroughly and frequently it should be inspected.
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