This standard is This standard is issued under the fixed designation A/AM; the number immediately following the designation indicates the year of original adoption or, in the case of Missing: freeThe straight beam techniques include utilization of the DGS (Distance Gain-Size) method. An ultrasonic, pulsed, reflection type of instrument shall be used and shall provide linear presentation for at least% of the screen height ASTM AStandard Practice for Ultrasonic Examination of Steel ForgingsFree d