API 19mm 38mm 75mm Standard Ultrasonic Reference Calibration Block with Side Drilled Holes for UT Testing
Note: Simulated references for rejectable flaws established by the Operator s ultrasonic specialist shouldbe added to these blocks for the calibration of intemnal reflectors, that is, 314 in. side-drilled hole. A minimmof four blocks should be prepared, each with a minimum of one notch described below. The ultrasonicspecialist should determine the value of T based on the material and equipment that will be used.
| Material | 1018 Steel |
| Thickness | 19mm 38mm 75mm |
