This standard specifies a method of A-type ultrasonic pulse echo contact method for cemented carbide ultrasonic longitudinal wave technique.
This standard is applicable to the ultrasonic inspection for the dimension of cemented carbide products with a height of 10.0 mm-380.0 mm and a detection area no less than 113 mm2, or cemented carbide bar with a diameter no less than 6.0 mm and a length of 40.0 mm-380.0 mm.
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