Contrast with common vertical longitudinal ultrasonic wave, slant longitudinal wave could be applied to test the nozzle welds on vessel, header, bolts and austenite material.

• 介绍了超声纵波斜入射法在电站锅炉压力容器管座角焊缝、螺栓和奥氏体钢锻件等部件探伤中的应用。