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。

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.

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检测钻具缺陷的常用方法有磁粉探伤、渗透检测、射线检测、超声波检测，都存在不足。

The common methods of drilling rods testing include magnetic particle inspection, permeability testing, radial testing and ultrasonic testing, but these methods all have considerable deficiencies.

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在介绍焊缝渗透探伤的基本探伤原理、方法及测试步骤的基础上，给出预应力砼管桩接桩焊缝的质量评定标准，并建议在管桩的施工中渗透探伤法可作为质量控制的常规检验手段。

Based on the introduction of principle and method in infiltration test of welding line, the standard is put forward for quality evaluation of joint construction in prestressed concrete pipe pile.

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