CSK-ⅠA test block - NB/T47013 Standard test block for ultrasonic inspection of pressure equipment
CSK-IA test block is a standard test block stipulated in the non-destructive testing standard NB/T47013 of pressure equipment in China. CSK-IA test block is improved from IIW test block. The main uses of CSK-IA test block are: measuring the incident point and front length of inclined probe; Measuring the Angle of refraction of the inclined probe; Measuring the deviation of beam axis of the inclined probe; The horizontal linearity, vertical linearity and dynamic range of the flaw detector were measured.