Ultrasonic detection of defects in heat-affected zones of stainless steel pipe welds is discussed. The feasibility of the method is verified by penetrant inspection of dissected pipes.

• 本文讨论不锈钢管道焊缝热影响区内缺陷的超声波检测方法；应用着色渗透探伤对解剖后的样品进行了验证；证明超声波探伤法的可行性.