This standard specifies the principles of infrared flaw detection of bars, comparison samples, inspection equipment, inspection conditions and procedures, result evaluation and inspection reports. This standard is applicable to the infrared flaw detection inspection of surface opening defects of round and square steel (billets) with a diameter or side length of not less than 15mm. Stainless steel rods can also refer to this standard.
YB/T 4374-2014 Referenced Document
GB/T 12604.6 Non-destructive testing—Terminology—Eddy current testing*, 2021-05-21 Update